Some claim human lifespans can be lengthened indefinitely

December 11, 2023

https://www.economist.com/technology-quarterly/2023/09/25/some-claim-human-lifespans-can-be-lengthened-indefinitely
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There is a story about a blues musician who, when questioned on his 100th birthday about his decades of smoking and drinking, responded that if he’d known he was going to live so long, he’d have taken better care of himself. Bryan Johnson is that apocryphal bluesman’s polar opposite. He has been taking care of himself for years to a degree as remarkable, in its way, as the deepest devotion to bourbon and bad choices. …
The daily regime which he and his many doctors have devised makes life in Biosphere 2 look sybaritic. A kilogram of vegetables, all before 11am, rigorous workouts lasting 45-60 minutes, and 100 pills, including metformin and rapamycin. His vital functions are subjected to the sort of continuous scrutiny more usually associated with laboratory animals. He says he is ageing at 69% of the normal rate. Mr Johnson, who has been described as the most measured man in the world, can afford the team of medics, trainers and dieticians who minister to him because selling Braintree, an electronic-payments company which he founded, left him with a net worth of more than $100m. For mere mortals, however, a range of less intensive options are available.
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