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Dr Rangan ChatterjeeDr Rangan Chatterjee

REVERSE AGING: What To Eat & When To Eat For LONGEVITY | David Sinclair

My guest today is a revolutionary thinker and ground-breaking scientist who’s on a mission to make you younger. He’s Australian biologist and Harvard professor David Sinclair, author of Lifespan: Why We Age – And Why We Don’t Have To.

David SinclairguestDr. Rangan Chatterjeehost
Oct 13, 20212h 5mWatch on YouTube

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At a glance

WHAT IT’S REALLY ABOUT

David Sinclair on Fasting, Hormesis, and Reversing Aging

  1. Sinclair argues that modern comfort leaves our ancient survival responses switched off, and that hunger, exercise and other mild stressors reactivate the sirtuin, mTOR and AMPK pathways he links to slower aging.
  2. He recommends eating less often (skipping a meal or more, building up gradually), eating mostly plants with little red meat, and doing short bouts of breathless exercise plus strength work.
  3. He describes his own supplement and drug routine (resveratrol, quercetin and fisetin mixed into olive oil or yogurt, NMN, and metformin), while stressing he is not recommending it and that people should measure biomarkers and work with a doctor.
  4. He says epigenetic reprogramming has reversed aging in mouse tissues such as the eye, brain and muscle, that a first human eye trial is planned for around 2024, and that he expects dramatic gains in lifespan.
  5. Both speakers discuss sleep, stress, loneliness and purpose as essential parts of longevity, and Sinclair argues that aging should be treated as a medical condition with preventive, data-driven medicine.

IDEAS WORTH REMEMBERING

5 ideas

Mild adversity activates ancient protective pathways

Sinclair says hunger, exercise and similar stresses trigger hormesis, switching on survival genes that protect against decay and disease, whereas a comfortable modern lifestyle leaves them dormant.

Meal timing matters, and fasting should be built up gradually

Sinclair cites a mouse study in which animals eating within a short window lived longer regardless of diet composition. He advises skipping breakfast or dinner first and notes that jumping straight to his one-meal routine will likely fail because the body needs weeks to adapt.

Aging is the upstream cause of many diseases

Sinclair says modern medicine classifies diseases by their end results and ignores aging as the root cause. He wants aging recognised as a medical condition so preventive treatments can be prescribed earlier.

Epigenetic changes underlie aging and may be reversible

Using a CD analogy, Sinclair describes aging as scratches on the epigenome that make the music skip, and reprogramming as polishing them off. He says his lab has reversed aging in mouse eyes and brains, with a human eye trial planned.

Short, intense exercise and strength work are enough to get benefits

Sinclair suggests about 10 minutes of breathless exercise a few times a week, plus building muscle to counter the roughly 1% annual loss he cites. He says plant protein supports muscle and that mTOR-activating branched-chain amino acids come mainly from meat.

WORDS WORTH SAVING

5 quotes

Aging is a medical condition. Admittedly, it's, it's common, but just because something's common doesn't mean it shouldn't be a medical condition.

— David Sinclair

Don't treat the disease. Treat the cause, and make the body repair itself like it was 20 years old again.

— David Sinclair

I do live my life like it could be my last, but I have the optimism of someone who can live forever.

— David Sinclair

You don't just have a right to live longer, you have a responsibility to your children to stay healthier for longer.

— David Sinclair

Aging is the equivalent of scratches on that CD so that the music skips. And the reprogramming, as we call it, the age reversal, is polishing those scratches off so that the music can be read again.

— David Sinclair

Read the available transcript
Hormesis and survival signalsIntermittent fasting and eating lessSirtuins, mTOR and AMPKBiological age testing and epigeneticsPlant-based eating, olive oil and xenohormesisHigh-intensity exercise and muscleSupplements and metformin

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SPEAKERS

  • David Sinclair

    guest

    Harvard-based longevity researcher and author of "Lifespan," known for work on aging biology and age reversal.

  • Dr. Rangan Chatterjee

    host

    Medical doctor and host of "Feel Better, Live More," focused on lifestyle medicine and patient-centered health.

High quality AI-generated summary created from speaker-labeled transcript.

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