Anti-aging advocate Bryan Johnson ... a longevity doctor who works with Johnson. Dr. Vadim Gladyshev, a professor of medicine at Harvard Medical School, said there needs to be “properly designed ...

LeBron James, 38, is said to spend US$1.5 million ... But in the field of modern health science, they are amateurs compared to Bryan Johnson. Johnson, 45, is an ultra-wealthy software entrepreneur ...

Bryan Johnson, the wealthy tech entrepreneur from ... “It’s not science,” says Dr. Vadim Gladyshev, a professor of medicine at Harvard who is interviewed in the documentary.

NPR's A Martinez speaks with tech entrepreneur Bryan Johnson about the Netflix documentary "Don't Die: The Man That Wants To Live Forever," which portrays his quest to slow aging.