TED: The science of cells that never get old | elizabeth Blackburn

The video explores the role of telomeres in aging and health, starting with the discovery of telomerase in Tetrahymena. It discusses how telomere shortening affects human aging and health, and the impact of stress and social factors on telomere length. The video emphasizes the importance of maintaining telomere length for a healthy life span and highlights the interconnectedness of social relationships and biological health.

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