Plain English with Derek Thompson Is Radical Human Life Extension Possible?
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Oct 18, 2024 
In this enlightening conversation, Professor S. Jay Olshansky, a public health expert and author of a key paper on life extension, delves into the science of human longevity. He discusses the remarkable increase in life expectancy from 47 to 79 years and the biological hurdles that still limit radical life extension. The dialogue critically examines how innovations in health have improved survival rates, yet highlights the complex interplay of aging, disease, and societal factors that challenge further progress. Olshansky humorously explores theoretical anatomical changes for better longevity, underscoring the need for scientific rigor amidst speculative claims.
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Public Health's Impact
- Public health advancements, like sanitation and refrigeration, were foundational to extending human lifespan.
- These improvements created safer living environments, unlocking longevity potential already present in humans.
Slowing Life Expectancy Gains
- Increases in life expectancy are slowing down because we've already saved most children from early deaths.
- Now, the challenge lies in addressing the biological process of aging itself, which affects older individuals.
The Difficulty of Extending Lifespan
- Extending lifespan becomes harder as we age.
- Saving an infant adds decades, while saving an elderly person adds incrementally less time due to aging's immutable force.
