Your body runs on electrochemical gradients
Every cell keeps a voltage across its membranes. Food is taken apart, electrons are passed down a chain, and protons are pumped to one side of a membrane inside the mitochondrion. Letting those protons back through is what makes ATP. That is the mechanism Peter Mitchell proposed in 1961, and it is how the energy in your body is actually made.1
The phone battery is an analogy. The voltage is not. A phone has one cell with one charge you can read off a screen. You have trillions of cells, each holding its own gradient, and no instrument reads them as a single number. When this site says battery, it means the analogy. When it says gradient or membrane potential, it means the physical thing.
Where that machinery runs badly, the consequences are not confined to one organ. Defects in oxidative phosphorylation have been proposed as a common thread under a range of degenerative conditions.3 This is a paradigm rather than a settled finding, which is why it sits in the contested tier and not the established one.
Light sets the clock, and does a little chemistry
Light does two jobs. The larger one is timing. A separate class of cell in the retina carries light to the clock in your hypothalamus, working without rods and without cones, and its job is to tell the clock what time it is.4 That signal sets when everything else runs, and it is what the protocol is built around.
The smaller job is real chemistry in your skin. Ultraviolet light converts a precursor in skin into previtamin D3, which is where your vitamin D comes from.2 The same light releases nitric oxide stored in skin, which widens arteries and lowers blood pressure.8 So light is a real energy input, and a small one.
Your skin absorbs a great deal of solar energy, and almost all of it becomes heat. You have no machinery for turning photons into ATP. Absorbing energy and converting it into biological work are different things, and that difference is why we do not tell you the sun charges you the way a charger fills a phone.
Follow people for long enough and sun exposure habits track with how long they live. In a Swedish cohort followed for two decades, women who avoided the sun had higher all cause mortality than those who did not.9 That is observational. It cannot separate sunlight from everything that travels with it, and it is filed as contested for exactly that reason.
The blood pressure half of that is one small trial, so it is contested rather than settled. The vitamin D half is not: skin photosynthesis has been established since 1980.
Red and near-infrared light come up often here, so it is worth saying where they sit. In the laboratory those wavelengths interact with cytochrome c oxidase in the respiratory chain, and studies report changes in mitochondrial enzyme activity under narrow conditions of wavelength, dose and distance.6 That work is contested, most of it is cell culture or device work rather than sunlight, and it is not part of this program. Nothing on your panel measures it. It is named here because it is the honest edge of the timing claim, not because it is something you will be doing.
What we measure, and why those things
The Omega-3 Index is EPA and DHA as a percentage of the fatty acids in your red cell membranes. It is a defined measurement with a literature behind it, not an index invented here.5 Red cells turn over across about four months, so ninety days captures most of the change diet can produce.
VO2max is on the panel because cardiorespiratory fitness predicts all cause mortality across large pooled populations.7 It is the one measurement here that tests the machinery under load rather than sampling it at rest.
Sources
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1 Theory established
Mitchell P. Coupling of Phosphorylation to Electron and Hydrogen Transfer by a Chemi-Osmotic type of Mechanism. Nature, 1961.
The paper that proposed ATP is made by pumping protons across a membrane and letting them back through. It is the mechanism the whole battery framing rests on.
10.1038/191144a0
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2 Cell study established
Holick MF, MacLaughlin JA, Clark MB et al. Photosynthesis of previtamin D3 in human skin and the physiologic consequences. Science, 1980.
The primary source for vitamin D synthesis in skin. Ultraviolet light converts a precursor in the skin into previtamin D3. This is the established half of light's second job, the small amount of real chemistry, and it is why the program no longer says light is only timing.
10.1126/science.6251551
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3 Review or meta-analysis contested
Wallace DC. Mitochondrial Genetics: A Paradigm for Aging and Degenerative Diseases?. Science, 1992.
Argues that defects in oxidative phosphorylation sit underneath a range of degenerative disease. Contested because it is a proposed paradigm rather than a settled finding.
10.1126/science.1533953
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4 Animal study established
Berson DM, Dunn FA, Takao M. Phototransduction by Retinal Ganglion Cells That Set the Circadian Clock. Science, 2002.
Shows a distinct class of retinal cell carries light to the circadian clock without rods or cones. This is light's larger job, timing, and it is what the protocol is built around.
10.1126/science.1067262
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5 Review or meta-analysis established
Harris WS, von Schacky C. The Omega-3 Index: a new risk factor for death from coronary heart disease?. Preventive Medicine, 2004.
Defines the Omega-3 Index as EPA plus DHA in red cell membranes. The reason that exact measurement is on the panel rather than a general fatty acid panel.
10.1016/j.ypmed.2004.02.030
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6 Cell study contested
Wong-Riley MT, Liang HL, Eells JT et al. Photobiomodulation directly benefits primary neurons functionally inactivated by toxins: role of cytochrome c oxidase. The Journal of Biological Chemistry, 2005.
Tests whether cytochrome c oxidase is the photoacceptor for far red and near infrared light, by competing light treatment against a cytochrome c oxidase inhibitor in cultured neurons. This is the mechanism named at the edge of the timing section. Contested, and it is cell culture under LED arrays rather than sunlight.
10.1074/jbc.M409650200
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7 Review or meta-analysis established
Kodama S, Saito K, Tanaka S et al. Cardiorespiratory Fitness as a Quantitative Predictor of All-Cause Mortality and Cardiovascular Events in Healthy Men and Women: A Meta-analysis. JAMA, 2009.
Meta-analysis tying cardiorespiratory fitness to all-cause mortality. The reason VO2max is measured at both ends rather than treated as a gym number.
10.1001/jama.2009.681
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8 Randomised trial in people contested
Liu D, Fernandez BO, Hamilton A et al. UVA Irradiation of Human Skin Vasodilates Arterial Vasculature and Lowers Blood Pressure Independently of Nitric Oxide Synthase. Journal of Investigative Dermatology, 2014.
Controlled exposure in people, lowering blood pressure through nitric oxide stored in skin, by a route vitamin D does not explain. Contested because it is one small trial.
10.1038/jid.2014.27
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9 Observational, in people contested
Lindqvist PG, Epstein E, Nielsen K et al. Avoidance of sun exposure as a risk factor for major causes of death: a competing risk analysis of the Melanoma in Southern Sweden cohort. Journal of Internal Medicine, 2016.
A cohort followed for two decades in which women who avoided the sun had higher all-cause mortality. Observational, so it cannot separate sun exposure from everything that travels with it.
10.1111/joim.12496
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10 Randomised trial in people contested
Blades R, Mendes WB, Don BP et al. A randomized controlled clinical trial of a Wim Hof Method intervention in women with high depressive symptoms. Comprehensive Psychoneuroendocrinology, 2024.
84 women randomised to cold exposure with breathwork, or to slow breathing with warm showers. Both groups improved about the same amount, roughly 24% on depressive symptoms. A single unreplicated trial, which is why cold and breathwork are carried in the protocol as contested rather than established.
10.1016/j.cpnec.2024.100272
Suggested reading
Grouped by the same three tiers the sources above use, because a reading list that puts every author on the same footing would undo the distinction the rest of this page is built on. This is a bibliography. It says where the thinking comes from, not what to do about it.
ESTABLISHED
Settled science, or close to it. The mechanism is not in serious dispute.
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Nick Lane. Transformer: The Deep Chemistry of Life and Death, 2022. The Vital Question: Why Is Life The Way It Is?, 2015. Power, Sex, Suicide: Mitochondria and the Meaning of Life, 2005. Life Ascending: The Ten Great Inventions of Evolution, 2009. Oxygen: The Molecule That Made the World, 2002.
Transformer is the place to start. The Vital Question is the book closest to the thesis of this program, on why membrane voltage is the precondition for complex life.
Transformer · The Vital Question · Power, Sex, Suicide · Life Ascending · Oxygen
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Michael Crawford and David Marsh. The Driving Force: Food, Evolution and the Future, 1989. The Shrinking Brain: Mental Health is Affected by Poor Brain Nutrition, 2023.
The argument that DHA from marine food built the human brain. This is why the Omega-3 Index is on the panel.
The Driving Force · The Shrinking Brain
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Jim Al-Khalili and Johnjoe McFadden. Life on the Edge: The Coming of Age of Quantum Biology, 2014.
Shortlisted for the Royal Society Science Book Prize. A careful treatment of a field that attracts careless ones.
Library record
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Russell Foster. Life Time: The New Science of the Body Clock, 2022.
Foster found the photoreceptor this page cites Berson for.
Library record
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Douglas Wallace. No popular book. Papers.
Mitochondrial DNA in evolution and disease, and the case for mitochondria as sensors of their environment rather than only as power plants.
A mitochondrial paradigm of metabolic and degenerative diseases, aging, and cancer (2005) · The rise of mitochondria in medicine (2016)
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Michael Levin. No popular book. Papers.
Bioelectric signaling in development and regeneration. This is where Becker's line of thinking became rigorous.
Bioelectric signaling: reprogrammable circuits underlying embryogenesis, regeneration, and cancer (2021) · Molecular bioelectricity (2014)
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Colin McCaig. No popular book. Papers.
Electric fields in cell biology, and what cells do when you apply one.
Controlling cell behavior electrically: current views and future potential (2005)
CONTESTED
Real findings that are disputed, unreplicated, or carry an interpretation the field has not accepted.
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Fritz-Albert Popp and L. V. Beloussov, editors. Integrative Biophysics: Biophotonics, Kluwer, 2003.
Popp is the origin of biophoton research, and van Wijk was his collaborator. This is an academic edited volume rather than a book you read straight through, so treat it as the reference behind van Wijk rather than the place to start. That living tissue emits ultra-weak light is measured and accepted. Whether that light carries information between cells is the open question, and it is Popp's claim.
10.1007/978-94-017-0373-4
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Roeland van Wijk. Light in Shaping Life: Biophotons in Biology and Medicine, Meluna, 2014.
The book-length account of the same measurements. The emission is real and very faint. The disputed part is what, if anything, it signals.
Library record
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Gerald Pollack. The Fourth Phase of Water: Beyond Solid, Liquid and Vapor, 2013.
This is where the term structured water comes from. This protocol does not use it, and nothing on your panel measures it. Ordered water at a surface is real, and inside the respiratory complexes ordered water forms the channels protons actually move through, so water at an interface does have a role in cell function. What is not accepted is Pollack's larger claim: that this amounts to a fourth phase of water, extending far from the surface, holding charge and storing energy the cell can later spend.
Library record
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Gilbert Ling. Life at the Cell and Below-Cell Level, 2001.
The association-induction hypothesis, a serious alternative to the membrane pump model that never won. The pump model is what the textbooks teach and what this program assumes.
Library record
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Stuart Hameroff and Roger Penrose. “Consciousness in the universe: a review of the Orch OR theory,” Physics of Life Reviews 11, 2014, 39 to 78. With Roger Penrose, The Emperor's New Mind, 1989, and Shadows of the Mind, 1994.
This is the furthest from the panel of anything on this list. It concerns consciousness, not metabolism, and no part of the protocol depends on whether it is right. It is here because microtubules and quantum effects in warm biology are the same territory Al-Khalili covers, and because leaving it out of a list that already names van Wijk and Pollack would be a selective kind of honesty.
The 2014 paper was published with open peer commentary, so the objections are printed alongside it. Read the issue, not the paper on its own.
10.1016/j.plrev.2013.08.002 · The Emperor's New Mind · Shadows of the Mind
HISTORICAL AND OUTSIDE THE MAINSTREAM
Work that came first, or that sits outside where the field went. Read for where the questions came from.
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Robert O. Becker. The Body Electric: Electromagnetism and the Foundation of Life, 1985, with Gary Selden. Cross Currents, 1990.
The regeneration and bone-healing work was real and ahead of its time. The later electromagnetic-hazard material is not where the field went. Read beside Levin.
The Body Electric · Cross Currents
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John Ott. Health and Light, 1973. Light, Radiation and You, 1982.
A time-lapse photographer who noticed that light quality changed living things decades before anyone had a mechanism. The observations were sharp and the explanations were guesses. Berson 2002 is the mechanism Ott did not have.
Health and Light · Light, Radiation and You
Peter Mitchell wrote no book for this. There is only the 1961 Nature paper, already cited above, and it is the one thing on this list that is settled beyond argument.