A well-known eccentric tech mogul and anti-aging crusader has taken the drastic step of swapping blood plasma with his father and young son.
Bryan Johnson has spent millions annually to bring his biological age down to 18.
Johnson, who has received blood transfusions from a healthy, anonymous donor in the past, has now accepted plasma donation from his 70-year-old father Richard and 17-year-old son Talmage. Explore the full details and discover more 
