YouTuber Anastasia wants to stay young forever, and a researcher in the USA promises that people can live up to 500 years. Bryan Johnson is following the radical ‘Don’t Die’ program to become immortal. The tech billionaire lives by strict rules, eats the same thing every day and avoids all forms of risk. At his home in Los Angeles, the most famous follower of the longevity scene shows how he wants to overcome death. But is this plan at all realistic?