Uploaded November 2025 | Updated September 2026, 1 week ago

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We're living longer than ever before - but are we living better? In the final episode of this four-part series, David Rubenstein explores the science of aging; from groundbreaking research on longevity to why lifestyle matters more than genetics and how meaningful relationships can add years to our lives. Rubenstein speaks with leading scientists and researchers in the field and uncovers what it truly takes to live not just a long life, but a healthy and fulfilling one.

Chapters:
00:06:33 - Healthspan vs Lifespan
00:07:18 - Fasting
00:08:23 - Lifestyle & Diet
00:09:49 - Exercise
00:10:39 - Anti-Aging Supplements
00:12:24 - Lifestyle vs Genes
00:13:12 - Aging Economic and Societal impact
00:18:43 - What Makes a Good Life?
00:21:32 - Breakthroughs in aging?
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