World-renowned aging expert and biogerontologist Dr. Caleb Finch answers questions about aging, genetics vs. environment, lifespan in different species, blue zones, and the mysteries of aging. Explore the stories of Jean Calmont and the Bolivian Amazon group with slower arterial aging.
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Quick takeaways
Aging is primarily influenced by environmental factors like air pollution and lifestyle choices such as diet and exercise, rather than genetics.
Promoting healthy aging involves focusing on lifestyle factors including diet, exercise, social engagement, and minimizing inflammation through healthy choices.
Deep dives
Importance of Trust in Financial Decisions
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Exploring the Process of Aging
In this podcast episode, aging and the biology of aging are discussed. Aging is defined as the exponential increase in mortality risk after the age of 40, accompanied by a parallel risk of chronic diseases such as heart disease, cancer, and Alzheimer's. The role of genetics in aging is explored, suggesting that only about 20% of the individual differences in aging can be attributed to inherited genes. Environmental factors, such as air pollution and lifestyle choices like diet and exercise, are recognized as significant contributors to the aging process.
Insights from Blue Zones and Longevity
The concept of Blue Zones, regions where people live longer, is mentioned. However, the guest highlights that the extension of human lifespans is observed globally due to decreasing early-life mortality. While specific populations show longer lifespans, it is believed that genetics alone do not determine longevity. The importance of lifestyle factors, including diet, exercise, social engagement, and minimizing inflammation through healthy choices, is emphasized in promoting healthy aging. The conversation also touches on ongoing research, such as studying communities in the Bolivian Amazon, to understand the factors that contribute to slower arterial aging.
How long can we live? How much of aging is genetics vs. environment? How old are your cells? What can we learn from the world’s oldest people? World-renowned aging expert and biogerontologist Dr. Caleb "Tuck" Finch takes a quick break from his prolific research at USC to answer Alie's sometimes basic questions about everything from molecules to Blue Zones.