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Getting around in bustling Southern Maine has never been easier! This atlas provides unbeatable detail for Greater Portland, Bath, Brunswick, Biddeford, Sacoin all, 41 cities and towns from Bath to Kennebunk, and inland as far as Naples and Standish. Special close-up view available for Portland. 61 pages of maps, 80 pages in all….
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Provides topographic maps and maps showing points of interest, including art museums, science centers, campgrounds, scenic drives, golf courses, historic sites, hiking trails, and wineries. Author: Delorme Mapping Company (COR)/ Delorme, David (EDT) Series Title: MICHIGAN ATLAS AND GAZETTEER Subtitle: Detailed Maps of the Entire State Publication Date: 2001/01/01 Binding Type: Paperbound Language: English Depth: 0.50 Width: 10.75 Height: 15.25
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Nokia have proved that they were beaten but now they have come back stronger than ever with the N8
Whether you have noticed or not, the likes of Motorola, Apple and Samsung have left Nokia behind in the smartphone race, well luckily Nokia have noticed and have gone out and made the N8. With a 3.5 inch AMOLED display, capacitive touch technology and a full range of online and multimedia features, including a top of the range digital camera, the new Nokia N8 carries with it the responsibility of getting Nokia’s name back into people’s mouths.
The N8 is a full figured smartphone with a fancy 3.5 inch nHD screen which will comfortably display up to 16 million colours. It is loaded with capacitive technology, allowing for multi-touch, and an accelerometer sensor, so you can flip the UI into landscape mode for optimized messaging and browsing. Coming in a huge range of colours including Blue, Green and Orange the N8 will be very accessible and when compared to other top end smartphones the N8 is competitively priced.
Nokia are debuting the new Symbian ^3 OS on the N8, experienced Nokia users will recognize the menu layouts and home screen format, the user interface works quite smoothly while there are plenty of options when it comes to customization. You can alter the home screen to feature live news feeds and streams of information from your Facebook buddies and Twitter followers. You can also generate a list of your favourite friends as shortcuts, each one is represented by there social network profile picture. For those who have a bad sense of direction, Nokia have pre-installed GPS with Ovi Maps, great for route planning and turn-by-turn navigation.
Having your friends from the likes of Facebook integrated into your contacts is quite handy, but impossible if the phone isn’t well connected. Thanks to the devices 3G and Wi Fi connectivity, performing online activities and checking out your friends latest activities is easy and fast. The N8 also supports a full web browser which is Flash Lite compatible and it works fluidly with the phones multi-touch functionality. Users are presented with options aside from SMS and social networking, MMS, e-mail and IM (instant messaging) are also supported. All of the household names like GoogleTalk, Gmail, Hotmail and MSN are compatible.
A high quality digital camera has found itself inside a Nokia phone at last; the 12MP effort comes complete with some highly sought after Carl Zeiss optics. The camera is fully loaded from the get-go with flash, auto focus and zoom. Users can enjoy HD quality 720p video on top of the high clarity day-to-day still images the camera is capable of. The N8 is supported by a very capable video player which will handle just about any file type, there is also an HDMI out connection which allows users to play there mini movies on the big screen. Sharing video and image content over the web is also possible due to the phones SNS and YouTube compatibility.
As standard the N8 has been pre-configured with 16GB of internal memory, but if that is not enough a further 32GB can be added via the microSD slot. The music player will comfortably playback multiple file types, while support for FM radio is a basic human right these days.
Nokia have proved that they were beaten but now they have come back stronger than ever with the N8. A huge amount of effort has gone into giving users the best possible experience, there are options in almost every field and with the addition of more and more software, thanks to the Ovi Store availability the possibilities for customization are almost endless.
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The Life Extension Pathway, Resveratrol etc. and Cancer Control: Mitochondrial Biogenesis Duality, the Metabolic Mechanism and Practical Applications
The Life Extension Pathway, Resveratrol etc. and Cancer Control: Mitochondrial Biogenesis Duality, the Metabolic Mechanism and Practical Applications.
Gregory S. Bambeck Ph.D. and Michael Wolfson J.D., M.B.A.
Kent, Ohio U.S.A. 44240
SUMMARY STATEMENT: Cancer, heart disease and diabetes II, the three largest killers of the first and second world nation’s human beings (85%), and their disease antithesis, a healthy squirt from the fountain of youth, are finally defined under a singular unifying global hypothesis. Experimental molecular mapping proves that the regulatory pathway mechanisms define it as a true, real and clinically demonstrated system for the first time. Publicly available, practical and easily workable disease blocking and life extension implementation are readily available to anyone. There are three sections: ABSTRACT; PATHWAY MECHANISMS; PRACTICAL APPLICATIONS. Read on!
ABSTRACT
Full mitochondrial biogenesis is a two phase temporal process consisting of an early phase primarily associated with anabolism, cell replication and the making of over a thousand constitutive mitochondrial proteins that create new, but NADH to OX/PHOS inefficient mitochondria. Between these replication events, cell homeostatic controls up regulate a late phase set of mitochondrial respiratory chain proteins that create efficient NADH to OX/PHOS associated with a shift toward catabolism and autophagy of dysfunctional mitochondria and other cell debris. The early phase (neogenesis) supports cell growth, rejuvenation and whole body vitality in the short term, while the late phase (regenesis) supports cellular housekeeping and repair functions in the life extending long term. The immediate upstream effector of mitochondrial biogenesis is the mitochondrial proliferator co-activator (PGC-1alpha). Its up regulation institutes neogenesis and its down regulation institutes regenesis. Caloric restriction (CR) activates regenesis by up regulating adenosine monophosphate activated kinase (AMPK), while cancer activates neogenesis in the absence of regenesis by down regulation of the same AMPK pathway, upstream of PGC-1alpha. Recent ‘rediscoveries’ show that a cancer cell metabolism proposal of 1980, is correct in its many metabolic particulars. Most cancer cells are mutationally glycolytic fetal enzyme driven ‘sugar junkies’ supported by obligate mitochondrial ATP production inefficiency. Cancer cells are stuck in this cell growth drive state (metabotype), and become relentlessly replicative under the influence of mitogens. Recent genuine discoveries show that inhibition of the life extending CR pathway supports this ‘sugar junkie’ growth state by creating and maintaining inefficient and neogenic mitochondria in the presence of forced hyperglycolysis. Blocking fetal glycolysis and re-establishing the CR pathway pattern creates the regenesis of efficient mitochondria and halts cancer cell growth, and can sometimes even initiate cancer cell apoptosis. We describe the pathway mechanism as a unidirectional feedback loop starting with the CR target, AMPK, and how it regulates mitochondrial biogenesis, the reactive oxygen species (ROS) output, of which, feeds back to AMPK. We also make sense of CR mimetic resveratrol, and its bioavailability in this context, and further employ these understandings to envision simple nutriceutical and lifestyle synergies to fight cancer, the major diseases of aging and even aging itself.
PATHWAY MECHANISMS
To make this easy to understand, we wish to start with some rules of the road. First, when we use the adjective ‘chronic’ or prefixes like ‘hypo’ or ‘hyper’, we are referring to aberrant, unnatural or man-made over impacts upon normal homeostatic systems or typical physiological shiftings in standard metabolic systems. These words are used to emphasize a principal or powerful effect of some kind. Second, since CR is the ‘gold standard’ of life extension, we will use it as a ‘home base’, or reference point, that most of our forays will diverge from, and then return to. Third, we will focus primarily on the unidirectional multi-toggle switch feedback cycle from AMPK to target of rapamycin (TOR) to PGC-1alpha to ROS to sestrin (SESN) and back to AMPK, with the up regulation of AMPK effectively down regulating every other component of the cycle downstream of it. Since the system is a closed feedback loop, everything is upstream of everything else as well as downstream of everything else, like the proverbial snake that eats its tail. However, extrinsic factors affecting any component can over ride their immediate upstream regulators, as we will often point out. Memorizing, or keeping a note pad with this simple AMPK, TOR, PGC-1alpha, ROS, SESN circuit, as a principal reference point, keeps the discussion grounded.
We will begin with a brief outline of the CR pathway. Most simply put, CR activates AMPK which down regulates TOR. Down regulated TOR shifts cell metabolism away from anabolism and toward catabolism, initiates autophagic clean up of cell debris, such as dysfunctional mitochondria and down regulates PGC-1alpha. When down regulated, PGC-1alpha results in the regenesis of existing mitochondria by initiating the transcription of mitochondrial respiratory chain proteins that efficiently link NADH to OX/PHOS ATP production. This causes mitochondrial ROS production to fall, which in turn, down regulates the ROS sensor, SESN. SESN then down regulates its stimulation of AMPK, causing the circuit to rebalance back toward its homeostatic center. Note here that active SESN up regulates AMPK and inactive SESN fails to activate, so its up regulation is active while its down regulation is passive. Thus, continued CR will bypass SESN and chronically up regulate AMPK to constantly enhance the CR pathway to reduce mitochondrial ROS. Elevated ROS is the principal life shortening component in the system, and thus, its repression is the largest single life extender known. This example demonstrates that increased AMPK activity causes a decrease in all the other four (TOR, PGC-1alpha, ROS, SESN) components in the unidirectional feedback loop. Conversely, decreased AMPK activity, as in p53 dysfunctional cancer cells, causes the up regulation of the same four components down stream of it, which incidentally, causes the neogenesis of inefficient mitochondria.
As exemplified by our CR model, AMPK to TOR to PGC-1alpha are the principal mitochondrial biogenesis inputs and their responses, while ROS to SESN are the principal mitochondrial outputs and their responses. We know that there are many steps between each of these five major toggle switches and that there are also myriads of branching pathways and gene up and down regulations stemming into and from each toggle switch, but they will be mentioned in passing only as needed, because it is the central unidirectional cycle that is critical to the cancer, diseases of aging decline and life extension metabolics we key on, herein. Very elegant and evolutionarily apt extensions of this central and related circuits and their nutrient sensing pathways can be found in Science, vol.327, 3/5/2010 p.1210 and vol.328, 3/16/2010 p.324. Lastly, the central focus, here, is on cellular bioenergetics and metabolics because these functions hail back to single cell eukaryotes and have finally earned their seat at the cancer cell control systems round table along with telomeres, growth factors, apoptosis etc. Later, we will see how the AMPK, TOR, PGC-1alpha, ROS, SESN circuit is the exact same circuit controlling cancer and life extension, albeit operating in the opposite direction. We shall also see that cancer ‘cure’, or at least control, and CR share the exact same circuit when operating in the same direction, with mutationally driven hyperglycolysis being the lone but critical cancer stand out. But first, let’s look at each major component in the system.
AMPK stands at the headwaters of the CR pathway. AMPK monitors cellular energy charge by being sensitive to the AMP/ATP ratio, which generally represents the fuel nutrient availability in the cell. High concentrations of the energy rich ATP molecule represent fuel nutrient sufficiency and concomitant low AMP. Conversely, high AMP and low ATP indicate low fuel availability as in CR, which up regulates AMPK via AMPK kinase. Increases in AMPK can inhibit TOR by countermanding the growth factor pathways that activate TOR. Things that activate AMPK inhibit TOR, and things that inhibit AMPK activate TOR. Things that activate AMPK initiate the CR pathway and support life extension and inhibit the cancer metabotype. Standing directly upstream of AMPK, SESN activates AMPK when it self is activated by the cancer cell growth suppressor (p53) or by ROS, mostly of mitochondrial origin. The P53 protein is pro-apoptotic and its inhibition or dysfunction is found in about half of all cancers. Components or systems that reduce AMPK activity shorten life expectancy and promote the cancer metabotype. CR mimetics extend life expectancy and inhibit the cancer metabotype.
This last effect is exemplified by the anti-type II diabetic drug, metformin which is a direct activator of AMPK, causing the typical CR reduction in insulin resistance and the downstream inhibition of TOR. Metformin has been found to increase life expectancy in cancer victims, diabetics and healthy animals. Direct activation of AMPK by metformin enhances the ROS activated SESN switch or can over ride SESN inactivation by faulty p53. Intracellular concentrations of resveratrol in the 20 to 50 uM range activate AMPK similarly to metformin. Dietary free resveratrol rarely attains concentrations above the low single digits of uM. Metformin is our best known chemical example of a CR mimetic.
Now, let us take a brief tour of TOR. In our unidirectional metabolic loop activator model, TOR is the first primary target downstream of AMPK. TOR is a major NADH/NAD redox sensor and a master metabolic regulator switch involved in a dizzying array of integrated pathways, which can be found in a web search under ‘mammalian target of rapamycin’. Fortunately, several major converging and diverging pathways impinge upon and emerge from TOR, allowing us to simplify matters. For instance, mitogens, growth factors, hormones and AMPK act upon TOR through a common intermediate called TSC2. Thus, in a functionally simplified sense, TOR responds to a delicate balance of AMP/ATP energy charge, NADH/NAD redox state, fuel nutrient availability, mitogens, growth factors, growth factor suppressors and genotoxic ROS load. TOR outputs are as multifunctional as its inputs, but are most commonly associated with the integrated regulation of mutually exclusive anabolic or catabolic systems.
The down regulation of TOR by elevated AMPK activity (by CR, for example) institutes a shift toward catabolic efficiency in support of the caloric restriction demands for maximum energy output from maximum fuel conservation under nutrient fuel limiting conditions. In this regimen, another TOR pathway institutes increased mitochondrial respiratory efficiency through the regenesis pathway, and still another TOR pathway up regulates the autophagy of cellular debris and dysfunctional mitochondria. Cellular efficiency, ROS reduction and elevated housekeeping functions increase life expectancy and foster disruption of the cancer metabotype. This process can also be enforced by the TOR inhibitor and foreign tissue rejection suppressor, rapamycin. Rapamycin can facilitate life extension by pulling an end around AMPK and directly inhibiting TOR to switch the cellular drive state from anabolism to catabolism, and also very importantly, push mitochondria into the state of regenic efficiency by down regulating PGC-1alpha.
Finally, as the last major element in the mitochondrial biogenesis input side of the unidirectional loop, a short summary of PGC-1alpha function might be in order. When PGC-1alpha is activated, it turns on over a thousand genes which are devoted to the very complex but singular mega-function of building more mitochondria (neogenesis). As we saw, when TOR is up regulated, it in turn, up regulates PGC-1alpha, and the building of all of the mitochondria except the respiratory chain, is instituted. The respiratory chain transcription elements can only be constructed when PGC-1alpha is down regulated, later. Chronic stimulation of PGC-1alpha via chronic up regulation of TOR by growth hormone keeps mitochondria in a state of neogenesis with impoverished regenesis, which is a high ROS generator.
This nowhere more manifest than in the cancer cell metabtype. When mitochondrial respiratory NADH to OX/PHOS coupling is compromised by neogenesis without regenesis, the mitochondria, although primarily catabolic in function, actually enhance anabolism by supporting increased glycolisis and, thereby, shift the balance of glycolytic products, mitochondrial feedstocks and NADH reducing power toward cell building, all supported by an increase in the glycolytic to mitochondrial ATP production ratio. In his dissertation at Kent State University on mitochondrial alterations in a lymphoblastic lymphoma transplanted into DBA/1J mice, in 1980, Bambeck reviewed dozens of cancer type cell mitochondria, and saw a pattern. He provided a detailed catabolic chart, a general NADH cell nutrient and building block flow chart and an extensive narrative describing these connections. The AMPK, TOR, PG C-1alpha mitochondrial input side of the CR pathway, only now available, finally supply the control elements that prove his hypothesis, which we have just begun to re-discover in the last two years. It is surprising how accurate this thirty year old description is, considering there was no awareness of AMPK, TOR, PGC-1alpha or the vast array of intermediate connections in this regulatory pathway, at that time. However, even today, our new knowledge still boils down to the control of redox, energy charge and metabolites, which could be monitored even, at that time, in the absence of this modern regulatory pathway knowledge. This was done by constructing metabolic flow charts under different drive states and deducing where control links must exist, even if they were, as yet, unknown.
Just as metformin can bypass SESN by directly up regulating AMPK and rapamycin can bypass AMPK by directly down regulating TOR, T3 thyroxine in its non-shivering thermogenesis mode, can mostly bypass TOR by up regulating PGC-1alpha. In addition to ignoring the TOR anabolic/catabolic toggle, this can help illustrate the temporal duality of PGC-1alpha function.
A single dose of T3 thyroxine binds to nuclear DNA upstream of the mitochondrial biogenesis activator master control system and the PGC-1alpha binding co-activator, and begins transcription. Within five hours, activated PGC-1alpha causes more than 1,000 nuclear genes that are specific to the building of new respiration impoverished mitochondria to begin transcription. These very long mRNAs contain the code for their respective gene products as well as the leader sequences for their respective mitochondrial targets. These mRNAs are exported from the nucleus to the cytoplasm to form translational polysomes where mitochondrial outer membranes become confluent with endoplasmic reticulum. Depending on their signal sequences, these mitochondrial proteins are ferried to their mitochondrial home compartments to take up functional residence. After about 48 hours the thyroxine and PGC-1alpha signal system decays and a late set of nuclear and mitochondrial genes specifying the components of the respiratory chain are activated, causing these poorly coupled neogenic mitochondria to become efficient ATP producing regenic mitochondria. In chronic hyperthyroidism, the neogenic phase is powerfully up regulated relative to the regenic phase and the resultant ROS damage is severe enough to dramatically shorten life. A common term for early hyperthyroidism termination is ‘burnout’, because unlike TOR and its anabolic activated neogenesis function, the thyroxine activation is catabolic.
In the thyroxine activated neogenic phase, there are also a set of uncoupling proteins (UCP) that are produced that allow NADH protons to ‘leakback’ into the mitochondrial matrix without their chemiosmotic potential being captured and stored as high chemical energy ATP. Although this an over simplified description, the net result is that the uncaptured energy becomes manifest as heat, which is easy to measure. Thyroxine also supports catabolism by shifting fuel sources from low energy per carbon sugar to high energy per carbon lipid, and if need be, protein. However, when PGC-1alpha is up regulated by TOR, anabolism is supported and glucose is the preferred fuel. This difference becomes not only important, but highly magnified when we consider the cancer metabotype, later. Chronic up regulation of PGC-1alpha, whether anabolically driven by growth hormone stimulation of TOR or catabolically driven by direct stimulation of thyroxine as in hyperthyroidism, results in an incomplete mitochondrial biogenesis stuck in a high ROS producing neogenic state which can induce cancer and shorten life span via ROS produced genotoxicity and stochastic randomization of proteins compounded by the absence of phagocytic housekeeping functions and DNA repair systems. Chronic neogenesis in the absence of regenesis is not only a cancer cell metabotype inducer but a cancer cell metabotype maintainer, as well.
Another way to uncouple NADH from ATP production is for mitochondria to export NADH to the cytoplasm via the NADH/NAD shuttle system. In growing and dividing cells, the redox and energy charge states always lag, so this system is employed more heavily. Also, in non dividing quiescent cells, citrate in excess of krebs cycle needs can inhibit the ‘committing’ enzyme phospho fructo kinase (PFK) at the headwaters of glycolysis. Fetal PFK is often elevated in cancer cells. Although it is an inefficient ATP and NADH producer, glycolysis can run at explosively fast rates when stimulated. For the sake of brevity, we will not distinguish between the two uncoupling forms in this document.
The above described AMPK to TOR to PGC-1alpha portion of the closed unidirectional loop are the inputs to the mitochondrial neogenesis/regenesis system. The ROS to SESN portion represent the ROS output feedback loop to AMPK. Although the exact mechanism of the mitochondrial output of ROS to SESN is still to be articulated, its requisite path and net results are unambiguous. Increases in ROS eventually leads to activation of SESN, which in turn, activate AMPK to inhibit TOR to down regulate PGC-1alpha to institute mitochondrial regenesis to reduce ROS. SESN gene knockout drosophila die prematurely of age related disorders, and the anti-oxidant vitamin E protects life length function in SESN gene knockouts.
The system, as so far described is more elucidative of life extension than it is of the generation and maintenance of the cancer metabotype, soon to be discussed. Basically, life extension via the CR upregulation of AMPK occurs, mostly due to the reduction of ROS caused by mitochondrial regenesis of efficient ATP producing mitochondria. This essentially puts the adult organism in an extended holding pattern until nutrient energy supplies can support fecundity and other energy intensive functions such as immune surveillance, wound healing and muscle building.
Here is how resveratrol probably fits into the picture. In dietary quantities, free resveratrol enters interstitial cells in too low a quantity to mimic caloric restriction by more than a very modest degree. In these quantities, it up regulates mitochondrial neogenesis more so than regenesis by a moderate but significant up regulation of thyroxine. The purported mechanism is via its mimicry of beta-estradiol activation of hypothalamic stimulation of thyroxine stimulating hormone releasing hormone. But, resveratrol is also a powerful anti-oxidant. In this mixed effect, it acts as a caloric restriction meta-mimetic rather than an actual AMPK stimulating mimetic. It does not significantly up regulate AMPK, but it activates PGC-1alpha without up regulating TOR, so it is not acting like growth hormone, either. This is a huge difference because, like CR elevation of AMPK, it is definitely not anabolic and it sports its own catabolic influence. On the other hand, it is unlike thyroxine stimulation in that it scavenges ROS, evoking a regenesis rather than a neogenesis result, another net outcome of CR. Regardless, resveratrol is more neogenic than regenic in these quantities. How much its mixed CR mimetic function plays into this tortuous scenario, is anybody’s guess, and its numerical impact on the ROS load is unknown. The largest evidence supporting this scenario is that dietary resveratrol’s cancer killing and life extension functions, as seen at in vitro concentrations, some ten times higher, are not significantly manifest. At the dietary levels it would be prudent to force a neogenic default to regenesis just to hedge the bet toward a definitive CR like outcome. Vigorous endurance exercise after an over night fast would probably turn the trick via creating a sugar depletion oxygen debt. In humans, resveratrol followed by exercise, even without fasting, converts glycolytic fast twitch white muscle fibers into aerobic red slow twitch fibers, and increases mitochondrial cell volume from about5% to 30%, with regenic characteristics. Similar results occur in fasting runners in the absence of resveratrol. The experiments we need are rather obvious.
The in vitro life extension and cancer apoptotic effects of resveratrol in the 20-50 uM range are so enticing that this dietary bioavailability deficiency should soon be overcome. Already, free resveratrol serum levels well above the 20-50 uM target range are being reported, industrially. Also, synergistic molecules like quercetin and co enzyme Q with antioxidants are in the mix. Still, TOR down regulation and mitochondrial regenesis are requirements for full CR impact. We explore these issues in the practical applications section, later. But, for now, our metabolic feedback loop attentions divert their focus onto the cancer metabotype.
From a genetic perspective, cancer cells appear insane. Between the chromosomal inversions, insertions and uneven cell divisions that render cells into a heterogenous mix of hundreds to thousands of genes in polyploidy or haploidy, add to this, the changed protein complement and its post translational miss modifications, and the result becomes a bewildering array of changes from any given cancer’s not quite fully differentiated stem cell progenitors. Although each cancer cell type retains many of the characteristics of its parent cell type, shot gun analysis, such as 2D electrophoresis and tryptic digest multi-gradient HPLC (high performance liquid chromatography) and MALDI-TOF (matrix assisted laser desorption ionization-time of flight) mass spectrometry, demonstrate that no two cancers are alike and that a given cancer is not even like itself. A cancer tumor seems as if it is composed of a heterogenous thematic of a precursor cell type engaged in a hyper-Darwinian selection for survival in an organism that is desperately trying, but failing, to kill it.
Fortunately, even cancer cells must obey the laws of thermodynamics, and they must do so within the constraints of the metabolic tool kit of sugar, amino acid, lipid and nucleotide apportionments and redox (NADH/NAD) and energy carriers (AMP/ADP/ATP) that permit the cell to grow and divide, so as to be able to grow and divide, and so on. Note here, that the sugar and carbohydrates are the cheapest energy source in the earth’s biotic food web. Lipid is a bit pricier, but proteins and nucleotides are very expensive because phosphate and redoxable nitrogen are nutrient limiting, pretty much, planet wide. Thus, sugar is the preferred fuel during cell growth and division (especially during hypoxia), while lipids, proteins and nucleotides are preserved as building materials. These nutrient limitations and metabolic requirements were fixed in stone a billion years before the first multicellular organism existed. In addition, cancer cells share a lot of features with fetal cells. Very importantly, they are always outrunning their fuel and oxygen supply needs, so they take on a hypoxia metabotype that induces blood vessels to grow toward them. This blood vessel growth is called angiogenesis. They also dramatically increase their glycolytic rate, in some cases well over 1000%. Most importantly of all, this changes the glycolytic to mitochondrial ATP production ratio by even a greater percentage, due to mitochondrial paucity and/or inefficiency. Like fetal cells, they become glucose junkies as they parasitize the sugar making hepatic gluconeogenic processes of their host, but unlike fetal cells, they cannot turn glycolysis off.
Because of this hypoxia and its anabolic requirements, cancer cell growth is always neogenically out pacing its regenic function. Many books have been and still will be written about fetal and enviromental bioenergetics and its evolutionary and organismal growth condition implications, and especially now, even more so, that the primary elements of the CR pathway have been clarified, and implicate cancer and other diseases of aging. But, for now, the main points, described above, will suffice.
How all this CR based AMPK feedback loop stuff fits together to arrive at cancer cell intermediary metabolism is an astonishing wonderment and a stunning new achievement. We grant many laudits and heaps of praise for the scientists who slogged through years and hundreds of thousands or even millions of man hours to elucidate the particulars of the regulatory loop and its myriad of attendant pathways. Even though cancer research and CR authors (as well as diabetes and cardiovascular researchers) may not yet know it, their results show that the cancer metabotype and the CR pathway are the exact same pathway, albeit operating in basically opposite directions and under different conditions, with the AMPK loop and mitochondrial neogenesis vs. regenesis as core control elements in both cases, and with cancer cell glycolysis providing its own caveat. The fact that type II diabetes and cardiovascular hyperplasia and cardiac hypertrophy are also outcomes of this pattern, is even more amazing. Readers of this document would easily understand and be pleasantly surprised by the basic cancer connection if they read (and this is a must read) New Scientist, 5/15/2010 p.6, a brief outline, of which, is below, after the Warburg correction discussion.
In the last two years, cancer researchers have proven that the particulars of glycolytic and aerobic metabolism in cancer cells are precisely as previously described in 1980. At that time the hypothesis corrected a flaw in the Warburg aerobic glycolysis hypothesis by postulating that cancer cell mitochondria suffered from an ATP production shortfall resulting in an anaerobic to aerobic ATP differential as opposed to Warburg’s mitochondrial oxygen consumption deficiency concept. This is an important difference because it changes the NADH/NAD, ATP/ADP and substrate flows in the cell. It was also described, in detail, how this shortfall was integrated with glycolytic fetal enzyme activation to force the system to amplify the, as then poorly understood, anabolic command system, to operate in an irreversible state of cell growth and division, we previously have coined as the cancer metabotype. Interesting methods of attack designed to kill or renormalize cancer cells were envisioned at that time. With our new found knowledge, we might wish to revisit some of these strategies, in a search for synergies. It is remarkably serendipitous how the ‘rediscovery’ of this forgotten system during the last two years is so similarly identical in such a wide array of particulars. In all cases, whether as old discoveries, rediscoveries or new discoveries, the results unambiguously show that the cancer metabotype is obligately and inextricably intertwined with the CR pathway, and with mitochondrial over neogenesis with a paucity of regenesis. It is this synthesis that is the really new stuff.
As an overview, from a metabolic standpoint, most cancer cells are stuck in mutationally up regulated fetal enzyme induced hyper glycolysis supported by down regulated AMPK to TOR etc. driven mitochondrial neogenic ATP production deficiency, in ways that the cell cannot recover from, as it can in fetal cells, at least in normal in vivo circumstances, short of artificial intervention. Under the influence of increased mitogen drivers and decreased or dysfunctional cell growth suppressors, the cell is forced into irrepressible and irreversible rounds of growth and division. We ignore metastasis and other issues, here, as we are focused on the ancient metabolic drive states of cancer cell induction and maintenance as opposed to progression.
What the researchers in the New Scientist review article found was that blocking fetal pyruvate kinase enzyme driven glycolysis with dichloroacetate ‘reawakened’ (their words) mitochondrial regenesis (our words), re-establishing normal glycolytic to mitochondrial ATP production ratios and metabolite flow, and brought cancer cell growth to a virtual halt in brain glioblastomas. Furthermore, previous hospital records showed that up regulation of AMPK with metformin in diabetic lung cancer victims increased survival times. This is the first time, in humans, for it to be shown that CR and anti-cancer therapies share the exact same AMPK control circuit, and with an anti-diabetes drug, to boot. We must also note that the system has been shown to work in numerous mouse cancers, and this is one time in cancer research that mice and men really share an ancient and attackable metabolic control pathway. This is just the early ‘sledgehammer’ phase of the human work. More sophisticated assaults are envisioned with excited expectancy. Let us hope that we don’t have to find too many fetal enzyme blockers, because even thirty years ago, we knew of other such fetal enzyme supporting changes in glycolysis and its attendant anabolic NADPH providing pentose phosphate shunt, in different cancers.
Reducing hyperglycolysis and increasing mitochondrial efficiency are the two key elements in slowing the impact of age related like cancer, type II diabetes and cardiovascular dysfunction. For instance, in the aging adult, cardiovascular ROS damage institutes mitogenic and hyperplasic thickening in the intima of the vascular tree, and ventricular hypertrophy concomitant with mitochondrial decline and a steady state shift from efficient high energy lipid catabolism to low efficiency glucose catabolism. Contrast this to hypoxic fetal conditions, when birth provides abundant pulmonary oxygen followed by full cardiac mitochondrial biogenesis, a rapid shift from carbohydrate to lipid catabolism, a conversion from parasitic high affinity fetal hemoglobin F to free living lower affinity adult hemoglobin A and a decrease in ROS production. The first is a stop-gap response to ROS induced genetic damage, while the second is a finely tuned genetic system response to an energy opportunity. Both are mediated by the AMPK, TOR etc. feedback loop, and judicious stimulation of this loop via CR or its mimetics are shown to yield significant inhibitory impacts on these exact forms of cardiovascular decline. Type II diabetes is a similar whole body response to the same type if insults found in cardiovascular decay, and can be staved off by direct metformin activation of AMPK that lowers insulin resistance and creates cellular housecleaning and mitochondrial regenesis. Metformin has been in use from long before we were even aware of such things as the sestrin feedback loop, mitochondrial neogenesis, regenesis and its relation to fetal hyperglycolysis!
Both neogenesis and regenesis are critical to retaining a juvenile youth state in adult cells. By analogy, neogenesis is like a construction crew that builds a new house but leaves a mess of construction related debris. Regenesis is like the housecleaning and maintenance follow up that makes the house into a livable home. In the aging adult non-dividing cell, both functions are deficient with regenesis being the more deficient, as aging cells tend to progress toward debris ridden hyperplasia. Declining growth hormone and androgenous steroids inhibit neogenic and rejuvenative functions while ROS exacerbates ‘rusting out’ functions and abundant nutrition inhibits regenic functions. This may explain why CR seems to have virtually no impact if started before early middle age. This also may explain how chronic neogenesis, as with growth hormone, yields short term gains with long term ‘burnout’. Conversely, it may explain how chronic regenesis, as with CR, yields long term gains, but with serious quality issues. Perhaps periodic neogenesis with a rapid default to regenesis, as is much more typical of juvenile cells, may provide an optimal result.
A review of these mechanisms has left the two of these authors quite breathless when we consider the scope of its medical implications, both in terms of the medical monetary cost savings, and in terms of the staggering number of quality human life years which might be added to the aggregate. It is quite nifty how key elements of the three greatest killers of the human race, along with a healthy squirt from the fountain of youth, all fit within the framework of a singular, unifying and global hypothesis. Thus, from all that has been articulated in the above document, we define the system.
PRACTICAL APPLICATIONS: THE FUTURE BURNS BRIGHT
One might consider this to be the wild hypothesis part of the document, but based upon the aforementioned findings, the proposals might actually be more sound than a lot of the stuff that peppers the grocery store checkout stands. However we remind everyone that we are not medical doctors, and therefore, not licensed to practice medicine. Nor is it our intention to do so. Any use of the information contained in same is at the reader’s discretion. We specifically disclaim any and all liability arising directly or indirectly from the use or application of any information contained in any of these articles. What we write here, is more so, of a free speculation of ideas engaging over the counter phytonutrients and life style choices.
Recent longitudinal studies show us that dietary sugar is killing us more resolutely than either saturated fat or high protein content, as found in animal products. The diseases of aging, such as diabetes, heart disease and cancer, kill the vast majority of us and excess dietary (extracellular) sugar is a main and growing culprit. However, the previously outlined AMPK, TOR, PGC-1alpha, ROS, SESN cycle shows that the system’s relentless decay yields to the diseases of aging, in spite of dietary sugar, due to intracellular metabolic shifts over time. In other words, even though sugar powered the creation of our lives from inception to birth, it will eventually kill us even if we don’t eat it. This is ‘natural’ aging, and the data clearly shows that unnatural or supra-natural efforts must be made to obtain the unnatural or supra-natural state called life extension beyond the natural or normally expected limit. Face it, caloric restriction (CR) is draconian and is only natural in the sense that, in nature, food sometimes runs out. No organism exists that will ‘naturally’ CR itself in the presence of adequate food. Mega doses of anti-oxidants or a hundred bottles of wine worth of resveratrol a day is, decidedly, unnatural.
That being said, such things have been found to stand the test of time. For instance, the Chinese have been drinking a high resveratrol Japanese knotweed root extract, called itadoli tea, for millennia with claimed beneficial results and no known ill effects save for some occasional intestinal discomfort, found to be mostly due to emodin, a co extract, which incidentally, is not found in modern concoctions. The remainder of this brief discussion is mostly devoted to some unnaturally ‘natural’ stuff that folks might do without having to live a supplement menagerie supported life in near anorexia with its attendant impediments to muscularity, wound healing, immune function, fecundity and others. The focus, here will be on forcing a default state to mitochondrial regenesis, which is the heart and soul of life extension and the inhibition of cancer cell induction and maintenance. Thus, the discussion will completely avoid the well worn school marm admonitions such as ‘eat your vegetables,’ ‘take your vitamins,’ ‘exercise regularly,’ ‘drink plenty of water,’ ‘keep your weight down,’ ‘don’t eat between meals,’ ‘brush your teeth after every meal,’ ‘don’t eat anything that you can’t fit into your mouth,’ ‘holy cow, that sure is a big fish’ and other common sense standard fare that we won’t even mention, here.
It is difficult to tell how much of dietary resveratrol is neogenic and how much is regenic. It cannot be heavily neogenic due to its TOR bypass, catabolic and anti-oxidant functions plus its average life expectancy increasing and rejuvenative outcomes in the absence of increased cancer induction or any true life length reduction. Standard dietary resveratrol also cannot be very strongly regenic because there is no appreciable up regulation in AMPK, no real reduction in cancer incidence, no increase in cancer cell apoptosis and no true life extension. However, much mitochondrial biogenesis is observed, but how much of this is neogenesis converted to regenesis is unknown because most investigators were unaware of the difference.
Progressive nutriceutical supply companies recognize this and are actively pursuing remedies. The essential problem is simple. When resveratrol is eaten, well over 90% of it is sulfonated and glucuronidated in the intestines and in the liver via the hepatic portal system, rendering it water soluble for targeting it for kidney removal to the urinary tract. Free, unmodified dietary resveratrol is typically less than 2 uM during its one and a half hour elevated blood plasma phase following ingestion. Glucuronate and sulfate derivatized resveratrol do not cross interstitial cell membranes and the low free resveratrol in cell microsomal fractions indicate that the interstitial cell extracellular sulfatases and glucuronidases have no general impact. This may not be true at sites of inflammation, but the desired whole body effect appears not to be there. Although we have no retention or turnover numbers on free intracellular resveratrol, it does not appear to accumulate over time. Experiments have shown that serum soluble free resveratrol concentration in the 20 uM range definitely impact the CR/AMPK pathway. For instance, DMSO solubilized resveratrol, when injected into mice, causes all the desired AMPK and downstream effects in brain tissue.
As mentioned earlier, nutraceutical suppliers are being very ingenious in their attempts to get serum resveratrol concentrations up to the CR mimetic range. One supplier shows, graphically, how micronization of resveratrol dramatically increases free resveratrol up to and well beyond the minimal required AMPK activating range. Other suppliers are creating encapsulated, solubilized and time released formats. One supplier provides lozenges for sublingual delivery. Resveratrol mixed with synergizers such as quercetin and co enzyme Q, are also offered. We eagerly await their time based serum data, and even more so, their intracellular AMPK up regulation data.
Here’s a quick and dirty home remedy. You can dissolve up to about 500 mg of resveratrol in a shot of 86 proof booze, or flavored schnaaps for the more faint of heart. Solubility is mostly dependant upon alcohol content, so the same should hold for a glass of wine, but it may take a while to dissolve. Besides, the smaller the volume, the better it is for non-intestinal absorption. Take a slug, swirl it around in your mouth for a full minute before swallowing, kick back, and enjoy. Dissolving is what you might call the nanonization technique. It has been shown to enhance buccal and aerodigestive absorption by as much as 800% above dietary methods, and it does not increase the kidney metabolite load one whit. Anyway, many of the medical gurus out there tell us that 10-20 grams of ethanol a day, is good for us.
Then, there’s the stretch (or even strain) of your imagination beyond the orbit of Pluto, plan. Human beings have daily circadian and monthly lunar cycles for a reason. Anyone who has read about the circadian melatonin cycle knows what we’re talking about. The fact that human females have a lunar cycle length receptivity cycle, and that in small, tight knit groups, cycle together, is no accident. The seasonal based cycle was replaced by the lunar cycle because conditions made it happen. What made it happen, you query? We never thought you would ask.
The mutational force is the primary evolutionary driver, but it is accidental, generational and is usually a losing proposition, with rare selective advantage. But, the winners support population survival in the form of multi-generational adaptation. The selection advantage of a switch from a seasonal to lunar cycle must have been powerful, simply because it was forced into existence. Consider the following. Over 99% of the last two million years, or so, of human evolution, has been devoted to the slow steady conversion from gathering, to scavenger gathering, to hunter gathering, while the remaining less than 1% is called civilization. Having excellent 3-D color vision, but poor night vision, the night light of the full moon became a great advantage as it advanced geographical food acquiring range and easier pickings. Being bipedal and having prehensile dexterity in a shrinking dryas ecosystem were great evolutionary pre-adaptations and opportunity vs. death drivers for proto-humans.
This dynamic food energy switch created full moon super-nutrition followed a remaining month of being trapped in standard fare. This tuned up a monthly cycle of high, then haphazard nutrition, which caused elevated body fat that could conveniently support fecundity, two weeks after the full moon, during the pitch black nights of the new moon. Since nobody looks ugly in the dark, and besides, there being nothing else to do but stumble around like blind idiots, a nutritional match was made in heaven. In addition, sexual glue is social glue. This was already operating in the context of a proto-hominid large brained noisy critter, with its ecological niche pushing a movement toward even more brain growth, symbolic representation as language and a pre-civilization social tool kit simply awaiting large enough population numbers to invent neat stuff like cities, war and jacuzzies. Thus, the African stage was set, and fortunately for us, all four acts played out before we, as the genetic evidence shows, were almost extincted.
This pattern would also be reflected as a natural nutrient driven cycle of low and high AMPK activity and a regular neogenesis and regenesis cycle, which may have assisted us in becoming the longest living primate. The long parturition period, the interminable time stretch from birth to sexual maturity and the creation of history, in the need for elders to pass all that big brained accumulation to the next generational batch of dull witted dimbulbs that seem to arise with each generation, could have helped to assist this life lengthening admixture. In the context of this paper, that is, if there still is any context, this kind of long winded speculative wannabe has just got to be followed with a circadian/lunar cycle recipe format.
The advent of commercially available high concentration bioavilable resveratrol would open the door to possibilities that will really bring the troops home. At full dose, it would bias the system toward true CR mimicry of AMPK driven mitochondrial regenesis, while at one tenth full dose, it would bias the system toward the neogenic meta-mimicry we described in detail, before. Since neogenesis takes several days to complete, while regenesis is much quicker, a circadian/lunar cycle plan that forces the system into lengthy defaults to life extending regenesis, might look something like this: Low dose neogenic resveratrol could be coordinated with anti-oxidants, dietary nutrient loading and/or power based exercise for five to seven days, or so, then followed by high dose resveratrol coordinated with daily food avoidance between dinner and breakfast and/or high oxygen utilizing endurance exercise prior to breakfast in a more extended time frame, say about three weeks, to entrench mitochondrial efficiency, cellular house cleaning and a shift away from glucose toward fat burning. Here we have something for everybody. Lounge lizards could reap the benefits of the phytonutrient pattern only effect, while the more restless spirits among us could enhance those effects by dietary and exercise regimens. Either way, organs and tissues other than cardiovascular and skeletal muscle could become larger recipients of resveratrol’s benefits. Numerous daily, weekly and monthly variations of the theme could be envisioned. One plan might be to include one meal a day to cause chronic fasting default to regenesis and/or with exercise to assist regenesis with glucose nutrient debt and/or a CR mimetic to activate the AMPK life extension loop.
A very interesting rat study of intermittent CR has put the world of CR afficionados on its ear. Using alternate days of ad libitum food supply and total fasting, in rats, results in no long term CR, as the rats make up for fasting by feasting between fast days, while ending up with life extension comparable to CR. This more or less jives with the down regulation of PGC-1alpha to regenesis turn on time frame. In fact, this study is the actual proof of principle, since life extension by CR can’t happen without it. This also jives with our notion that, at least partial neogenesis followed by regenesis, won’t hurt life extension, and you can avoid the misery and downside risks of genuine CR.
An interesting question emerges here. Since regenesis is a CR long term life extension holding pattern, how long is it good for? By this, we mean: Once mitochondria become efficient, how long do they stay efficient before they need restimulated to become efficient again? In other words, how many days of feast can one ‘get away with’ before each day of fasting? If regenesis is good for a week, then a one day a week fast is a small price to pay. Not only that, if 18 hours of fasting works as good as 24, then all one would needs do is miss breakfast once a week. Can this be supplemented with a low dose resveratrol regimen that would accentuate the effect?
We need experiments and we need them earlier rather than later. But rats live five or more years, and rats are not people, (as opposed, off-times, to the other way around). Over the counter metformin is over a decade away, if ever, and rapamycin is too dangerous to become street legal in any time, dimension or reality. Metformin, when used with growth hormone to mechanistically force the system to toggle back and forth between neogenesis and regenesis could ultimately turn out to be the greatest anti-aging plus rejuvenation achievement of all time. This could truly cause cells to behave more like they do in the juvenile stage. The timing, dosage and testing required in such a scenario would be critical. This is playing with some real big mojo, here, and it would be illegal without a prescription under a doctor’s care. Only people, at least in their early middle years, say past thirty, could participate in such a program, safely.
Fortunately, at present, we have resveratrol, which is freely obtainable and we know enough about CR and mitochondrial neogenesis and regenesis, to get answers, fast, and in humans instead of rats. Human volunteers and tissue biopsies that measure CR via AMPK activity and mitochondrial biogenic state from krebs cycle enzymes vs. cytochrome content, can allow us to follow the system status through time. The system is well enough defined, by now that the meanings of these assays point to causation rather than correlation. A wide array of experiments could be rapidly conducted, and could pinpoint which timings, conditions and regimens are optimal, whether there are any down sides and what other items might be included. Ideally, we may find a CR mimetic dose schedule of resveratrol, a better mimetic or a mixture of synergistic components that require no life style changes outside of normal prudent health practices … except for that magic pill, of course.
AFTERWORD
Not very surprisingly, there is very little cross talk between the cancer metabolism, cardiovascular disease, diabetes, life extension and diet/exercise research communities. Today’s specialization doesn’t really allow for it, and the areas of work do seem far afield of one another. But there are other reasons. For one, the cancer metabolism field, although rather ancient, is perceived to be actually, new. This has much to do with the hugely bitter and public battle that led to Warburg’s demise in 1956. The whole field of research became verboten, and one liners like “that was proven false a long time ago” and “we don’t even look into that area any more” were almost sheep mentality mantras. Another reason is that, who would have ever guessed that any such connection between cancer and life extension could even possibly exist, and even if it did, that it would simultaneously lead to the fountain of youth and the slaying of the monster hiding under the bed. Throwing in cardiovascular disease and diabetes, to boot, is more icing than any cake can stand. But in reality, it isn’t too big to believe, because this is all soon to become common knowledge. Anyone who reads the three review papers referred to in this article can readily observe that it has become too obvious by now for the connections not to be seen by droves of scientists. And we don’t mean the small connections. We mean the big ones, the really big ones.
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When Barack Obama met David Cameron, the pair got around to discussing thinking time – and the lack of it. It’s not just potential leaders of nations who are short of opportunities to reflect on the bigger picture. How can any of us grab thinking time during the working day?
“These guys just chalk your diary up,” lamented Cameron. “We call it the dentist’s waiting room.”
“The most important thing you need to do,” mused Obama, “is to have big chunks of time during the day when all you’re doing is thinking.”
Apparently unaware of the large fluffy boom mic accompanying their outdoor stroll, David Cameron and Barack Obama swapped fears of getting bogged down in the detail.
If either politician realised he was being recorded, he couldn’t have chosen his words better, Obama coming across like the chess-loving contemplative President Bartlet in The West Wing and Cameron balancing work and life more delicately than the workaholic stereotype associated with Gordon Brown.
The political class, being “on” 24/7, may feel in special need of moments to step back from the everyday. But few of us complain of having too much time, whether at work or at home. As a public service, the Magazine asks how to grab yourself some thinking time – from those who’ve had time to think about it.
CHOOSE YOUR MOMENT
No more lunching “al desko”
The most common advice boils down to something that might seem obvious: only work when you’re being paid to work. The rest of the day is yours to do with as you wish – and you may wish to devote it to thought.
Obvious, perhaps, but not obvious enough that we do it: various surveys conducted on behalf of food outlets suggest that between 50 and 80% of us skip an actual break for lunch, let alone using the hour for quiet contemplation.
You might not have heard the unspeakable expression “eating al desko”, but if you’ve been in an office, you’ve probably witnessed the sorry spectacle of a workstation becoming a dining table for seven minutes and a hastily-chomped panino.
“We have to make sure that people in offices go out at lunchtimes,” says David Hunter, chief executive of Lifelong Learning UK. “If you leave your desk to wander up the street, you come back refreshed and more able to work.”
Chomp chomp
Tom Hodgkinson, editor of The Idler magazine, speaking from a medieval garden, recommends getting away from your workplace and finding nearby places that will afford you some calm.
“People don’t take an hour off for lunch any more. But you can eat in a quarter of an hour and then walk somewhere. Churches are great for this.”
He also suggests reclaiming your travel time as an opportunity to take stock rather than worrying about the work that you’re either approaching or leaving. “It’s good to get off the bus earlier and walk – in London, you can give yourself an hour of pure pleasure.”
CHOOSE YOUR LOCATION
It doesn’t have to be atop a mountain
For the truly dedicated, a dedicated space awaits thinking time. Visuddhimati, a teacher at North London Buddhist centre, says that many non-Buddhists want to study how to be aware and set aside “a little space at home” for meditation: “it could be a corner of the room or a dedicated meditation room.”
But what if you’re space-poor as well as time-poor?
Tony Buzan, the inventor of graphical “thinking tools” MindMaps, says: “I’ve asked people where they are physically when they have great ideas, paradigm-shifting epiphanies, or a flood of memories they’ve been trying to remember.
Take your time at the basin
“Regardless of continent, age, gender, education and race, the answers are the same.”
The list that follows is reassuring for those who crave some repose without the need for an ashram. The “oases of thought” Buzan hears about are commonly: the shower; the bath; the loo; shaving; walking in nature; in bed (before sleep, in the middle of the night, or first thing); looking at water; listening to classical music and long-distance travel, such as running or driving.
Happily, these are situations you might find yourself in during your everyday life – and thought may come as long as you’re not multi-tasking while you do them. Also, as Hodgkinson points out, adding gardening to the list, “they don’t cost anything.”
HAVE YOUR PROPS TO HAND
Aristotle or Moyles?
In Proust’s In Search Of Lost Time, the narrator is prompted to unlock the secrets of memory after some quiet time contemplating a biscuit.
For Proust, a madeleine – you may prefer choccy
Serendipity is nice when it happens, but you may not wish to risk your precious thinking time hoping for random inspiration.
Tony Buzan recommends that once the time and place are right, you “immediately listen to music you associate with relaxation,” preferring piano and baroque. Your musical mileage may vary, even to the CDs of The Smiths, Radiohead, Gorillaz and Lily Allen which Mr Cameron gave to Mr Obama during their chat.
Dr Nigel Warburton of the Open University agrees, again citing the commute as a golden opportunity. “Headphones help people remarkably. You can shut out the distractions on public transport in a way that was impossible a generation ago.
“Podcasting allows people to make far more effective use of their travel – what might have been dead time becomes valuable reflective time.”
Practicing what he preaches, Dr Warburton started a series of philosophy podcasts last year and saw them beating Chris Moyles in the iTunes chart – and other contemplative ‘casts are, of course, available.
For those who prefer output to input, David Hunter recommends writing down what’s on your mind.
“You can gain possession of a problem by writing about it, and looking back over past issues to see how you’ve dealt with them. That way, you progress your learning as you go along.”
Not necessarily the best way to think
And, of course, the prop that prompts your thought doesn’t have to be inanimate.
“It’s not a given that thought is a solitary rather than a social activity,” says Dr Warburton.
“People you disagree with are what gets you going, rather than idly going through an unchallenged stream of consciousness. I think more clearly when I’m challenged.”
GIVE YOURSELF LESS TO THINK ABOUT
Your mobile has an “off” switch
You may have let a Japanese doctor “train your brain” in a computer game and then filled your brain with the world’s knowledge courtesy of Wikipedia – but proper thinking may require you to put these to one side.
“There’s a tendency in large organisations to keep us busy,” says Hodgkinson, “and when we’re not busy, to distract us with a never-ending stream of media like e-mail, Facebook and TV.”
…and go out and do something less boring instead?
Sometimes, even your favourite prompts for thought may get in the way.
“I can say that all great creators, without exception, have taken breaks,” says Buzan. “A minimum of two a day.” “Leonardo Da Vinci had a bed in his studio and when patrons accused him of wasting time, he said ‘If I don’t do this, you don’t get the work.’”
If your boss might raise an eyebrow or more at the sight of you installing a futon in your cubicle, you can still capture a little of the Leonardo spirit by dedicating time to avoiding the incoming memos, texts and Post-It notes – and the same goes for the homestead, says Hodgkinson.
“You have to disconnect from what stops you thinking – just stop the flow for a bit, not to a hermetic extent. You could unplug the TV or not get a daily paper for a few days.”
HAVE THE DESIRE TO THINK
You can get it if you really want
“The first step,” says Hodgkinson, “is to have an understanding of the importance of thought. Thinking is what makes us human.”
These “oases of thought” are not, of course, as scarce for everyone. If your work and life are in perfect balance, if you think that everyone else should work smarter, not harder, or if you can’t understand why the rest of the world seems to think it’s so busy all the time, you may be one of the lucky ones.
Dr Warburton talks about Open University students who use any means necessary to find the time for thought, getting up two hours before the children or forcing themselves not to nod off at the end of the day.
“Someone who’s desperate to do something will find the time,” he says. “Everyone can have an hour’s less sleep. It’s staying alert that’s the difficulty.”
Someone who forgot their oases of calm
However, says Hunter, the less tenacious can still reap the benefits. “Everyone needs to make time to think,” he says, “not just potential leaders of nations.”
Tony Buzan expresses the same idea in the form of an ultimatum.
“If you don’t give the brain breaks, it will take them”, he says, “in the form of loss of concentration, or what we call a mental breakdown.”
Think about that.
Send us your comments using the form below.
I am lucky enough to work within 12 minutes’ walking distance of both my allotment and a pick-your-own fruit farm, so in summer at least I try to get away to one or the other in my lunch break, even though it means I only spend half an hour there. Elrohana, Leeds
“Work only when you’re paid to work” is great, except that my boss doesn’t believe in it. I’ve been accused of not having enough commitment to work when I’ve left on time! N. Roy, Yorkshire
Richard Koch puts it well when he says we must learn to disassociate effort from reward. One of the great problems in so many organisations is a culture that rewards constant activity along well worn processes instead of focusing on identifying breakthrough insights where effort can be targeted much more selectively. Stephen Chinn, UK
I read this story at my desk eating a sandwich. Ted Charles, London
I work as a software developer, and quite often I struggle all day to solve a complex coding problem and end up giving up at the end of the day and going home, only to realise the solution whilst walking home when I’m “switched off”. Andrew, Bexley, Kent
In my days of working for large any busy companies, some of my best thoughts and solutions arrived in the gym. Now I’ve gone self employed and have good ideas in the garden too. Colin McCormick, Plymouth
One of my ways of grabbing a bit of relaxation is to carry a small sketch book round with me. I can use odd moments to jot down whatever attracts me in my environment, which gives me a break from the cares of the day and connects me to the real world. You don’t have to be a Leonardo – it’s just for you. Even if you are not inspired, looking back through your book will bring back memories. Richard Towers, Sheffield
My favourite lunch break is my car catnap – half an hour snooze courtesy of Radio 4’s You And Yours, which never fails to send me drifting off! Hooray for naps! Ros Swetman, Norwich
How much traffic would this website lose if we all stopped having lunch at our desks I wonder?? Paula, Stowmarket, Suffolk
I’ve filed patents on several ideas which first came to me in the toilet cubicle. Andrew, UK
My greatest moments of clarity come whilst fishing on the local rivers and lakes, with my two sons. Ian, Beverley
I get my own back on the diary fillers by inserting my own appointments. Some of these enable me to have thinking time. Paul Gascoine, Watford
Great food for thought. Now I am going to unlock my desk shackles and go for a walk on a local Wildlife Trust nature reserve – a great breathing space – before heading home, nicely refreshed! Jono Leadley, Cambridge
I was formally reprimanded for making plans for 20:30 on a Friday night because of my clear lack of commitment after spending a 60 hour week at the office. Charlie, London
At least now, I know I am not crazy asking for time to think. Putting myself a blank piece of paper before I start to do something- looking for five minutes ouf of the window and persisting to take a walk even in the crowded streets of Athens. As you said, thinking is what will keep us walking.. Tatiana Psaraki, Athens, Greece
Amen! It’s high time people reclaimed their lives. If you don’t make a stand, bosses and other time parasites will steal every breathing moment you have. Jason Morris, Bristol
About the Author
Right Selection – Event Management invites professional speakers, trainers, and consultants to share their expertise in various fields of learning with the corporate community. The Events division organises:
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