By Chris Stokel-Walker – Nature –
Influencers and ultra-rich people looking to extend their lifespan are trading tips and tricks on how to eke out extra years.
In 2019, entrepreneur Bryan Johnson began to experiment on himself by taking daily injections of rapamycin. This immunosuppressant drug is typically used to prevent organ rejection after transplants, but the 48-year-old technology entrepreneur and venture capitalist had a different goal — to extend his life.
