Plain English with Derek Thompson
Is Radical Human Life Extension Possible?
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.
55:46
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Quick takeaways
- The dramatic increase in life expectancy over the last century is primarily attributed to advancements in public health and sanitation.
- Skepticism remains regarding radical life extension beyond current limits due to intrinsic biological factors and lack of significant progress in lifespan increases.
Deep dives
The Historical Context of Longevity
The podcast outlines the significant changes in human life expectancy over the past few centuries, especially since the 1800s. One key point is the dramatic reduction in child mortality rates, which historically hovered around 50% in many civilizations but have plummeted to 0.3% in modern countries like Iceland, Finland, and Japan. Furthermore, advancements in public health, sanitation, and medicine have contributed to an increase in average life expectancy in America from 47 years in 1900 to 79 years today. This remarkable progress raises questions about the potential for further life extension beyond the current limits.
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