Why Do We Get Old, and Can Aging Be Reversed?

Everybody gets older, although not everyone ages in the same way. For many people, late life includes a deterioration of health brought on by age-related disease. Yet there are also people who retain a more youthful vigor, and around the world, women typically live longer than men. Why is that? In this episode, Steven Strogatz speaks with Judith Campisi and Dena Dubal…

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