SPECIAL: inside Silicon Valley's quest to defeat ageing

The Sunday Times' tech correspondent Danny Fortson talks to the scientists and executives pledging to redefine life as we know it about why we may be finally on the cusp of an age revolution (2:00), taking the pain out of being old (6:00), the wonder drugs already in circulation (7:45), on whether we are playing god (17:45), the rejuvenating effects of young blood (22:30), freezing your stem cells (26:45), the merging of artificial intelligence and medicine (30:00), and what the future of ageing looks like (37:00).

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