How To Academy Podcast John Tregoning - A Curious Scientist’s Guide to Wellness, Ageing and Death
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Jul 17, 2025 John Tregoning, a Professor of Vaccine Immunology at Imperial College London and author of 'Live Forever?', takes listeners on a fascinating exploration of aging, wellness, and mortality. He discusses the interplay between genetics, environment, and lifestyle in health outcomes, alongside the significance of confronting social stigma in healthcare. John also highlights the evolving landscape of diagnostics, the benefits of nature, and the importance of understanding one’s body. Prepare to rethink aging with insights that blend science and personal experience!
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Evolution Explains Aging Limits
- Aging is a linear decline in bodily functions starting after the early 20s peak.
- Evolutionary pressure ends after reproduction age, so aging has no biological advantage.
Defining Aging Biologically
- Aging is defined as the decline of bodily function from its peak in the early 20s.
- This decline is steady and affects brain connectivity and lung function over time.
Social Factors Cut Lifespan
- Social inequality drastically affects life expectancy in cities.
- Environmental factors like fewer trees correlate with shorter lifespans.