Longevity

Key people

• Peter AttiaSurgeon; self-experimenter
• Dan BuettnerAmerican explorer, author, film producer and pedagogue
• Anabel TernèsGerman presenter
• Nir BarzilaiMedical scientist

Timeline

• 1899Geert Adriaans Boomgaard (1788–1899, 110 years, 135 days): first person to reach the age of 110 (on September 21, 1898) and whose age could be validated.
• 1903Margaret Ann Neve, (18 May 1792 – 4 April 1903, 110 years, 346 days) the first validated female supercentenarian (on 18 May 1902).
• 1997Jeanne Calment (1875–1997, 122 years, 164 days): the oldest person in history whose age has been verified by modern documentation.
• 1999Sarah Knauss (1880–1999, 119 years, 97 days): the third oldest documented person in modern times and the oldest American.
• 2010Life expectancy, as of 2010 Various factors contribute to an individual's longevity.

Read

• Survival of the SickestSharon Moalem · 2007Book
• Brain longevityDharma Singh Khalsa · 1997Book
• Longevity DietValter Longo · 2018Book
• OutlivePeter Attia · 2023Book

Watch

• Longevity: can ageing be reversed?The EconomistVideo
• Doctor Answers Longevity Questions | Tech Support | WIREDWIREDVideo
• Best Exercises for Overall Health & Longevity | Dr. Peter Attia & Dr. Andrew HubermanHuberman Lab ClipsVideo

Listen

• LONGEVITY with Nathalie NiddamNathalie NiddamPodcast
• Lifespan with Dr. David SinclairLifespan Communications LLCPodcast
• The Longevity Lab MD Podcast 🎙️The Longevity Lab MD TeamPodcast
• The Human Upgrade: Biohacking for Longevity & PerformanceDave AspreyPodcast

Voices to follow

• Christian AguiarYouTubeBrazilian physician and content creator
• Andrew Steele@statto · XResearcher, longevity author, campaigner, speaker
• Josh Universe@joshtospace · XAmerican analog astronaut, biohacker, and science communicator
• Akshay Pujari@el_akshay · XData scientist and software engineer specializing in computational biology and longevity research

By the numbers

• 73.5Global life expectancy (yrs) — global, 2024 (World Bank)
• 10.1Health spend (% GDP) — global, 2023 (World Bank)

Debates

• Is aging a disease that can be cured or prevented?One view: Aging exhibits hallmarks like cellular senescence and DNA damage, which are treatable biological processes. · Another: Aging is a natural, universal biological process, not a disease, and attempts to 'cure' it may have unforeseen consequences.Open question
• Should research prioritize extending lifespan or healthspan?One view: Extending lifespan offers more time for human experience, learning, and contributions to society. · Another: Extending healthspan ensures more years of healthy, active life, which is more valuable than merely prolonging existence.Open question
• Are lifestyle choices or genetics more influential in determining longevity?One view: Lifestyle choices like diet, exercise, and stress management have a significant and modifiable impact on health and lifespan. · Another: Genetics play a fundamental role, setting a baseline for an individual's potential longevity and disease susceptibility.Open question

Glossary

• LongevityThe length or duration of life, often referring to a long lifespan.
• HealthspanThe period of life spent in good health, free from chronic diseases and disabilities.
• LifespanThe total duration of an individual organism's life from birth to death.
• SenescenceThe process by which cells stop dividing but remain metabolically active, contributing to aging.
• GerontologyThe scientific study of aging, including its biological, psychological, and social aspects.
• BiogerontologyThe study of the biological mechanisms of aging and age-related diseases.

Careers

Roles this can lead toward

Student research

Published policy papers by One Young India delegates — every delegate leaves published under their own name.

• The Role of Mental Health in Shaping Young Adults’ Positive Attitude and Emotions for Holistic Development: The India ScenarioAmartya Krishnaditya
• Universal Healthcare- Best Practices around the World and in IndiaSyed Fazil Shariq SA

Threads 7

Where this connects to other fields — and why it's worth knowing.

• Risk, Failure, and Resilience Business

  After adulthood, your chance of dying roughly doubles every eight years, older and older, steeper and steeper. Weirdly, that's the exact curve you get from a machine slowly running out of its spare, backup parts. Engineers who study why machines fail draw the same graph as scientists who study why we age.

• Corporate Finance Business

  In finance, a 'discount rate' measures how much you shrug off future money compared to cash today. That same impatience that makes people skip saving also makes them skip exercise and checkups that pay off decades later. Whether it's your bank account or your aging body, valuing 'future you' too cheaply leads to under-investing in them.

• Business Models Business

  Think of cancer as a business plan that grabs every bit of profit right now and destroys the company doing it. One cell breaks the rules to grow fast and selfishly, and in feeding itself it kills the whole body it lives in. Short-term greed, total long-term collapse, whether it's a cell or a company.

• Immigration & Border Policy Politics

  Here's an awkward twist: the countries most eager to shut out immigrants are often the ones aging fastest, with too few babies being born. A shrinking, graying population can't fund the pensions and care of its elderly without young newcomers. In the end, cold demographic math tends to overrule the loud politics.

• The Meaning of Life Philosophy

  The longevity industry is racing to add more years to your life. But research on meaning suggests a life feels 'complete' through purpose, not length, more like a good story than a long one. You can't stretch your way to significance; extra decades don't automatically add up to a meaningful life.

• The Population Question Sociology

  Imagine science lets people live to 100, but the last 20 years are spent sick and needing constant care. You haven't fixed old age, you've just made more of it. So chasing a longer life without a longer healthy life could actually make the 'too many old people to support' problem worse, not better.

• The Loneliness Epidemic Sociology

  Being lonely for years raises your risk of early death about as much as smoking fifteen cigarettes a day. That means friendship isn't just nice, it's a real ingredient in how your body ages. Scientists now treat social connection as hard biology, not a soft extra.