Health Span Revolution

Nir emphasizes the importance of focusing on health span rather than just longevity, suggesting that by targeting the biology of aging, we can prevent multiple age-related diseases. He introduces the concept of hallmarks of aging, which are cellular malfunctions that, when addressed, can enhance both health span and lifespan. With a potential maximum lifespan of 115 years, there's significant room for improvement in how long we live healthily.