I think i've mentioned this here before, but a friend of mine (Andrew Steele) is an anti-aging biologist, and has written a book on the subject. He's an excelle

I think i've mentioned this here before, but a friend of mine (Andrew Steele) is an anti-aging biologist, and has written a book on the subject. He's an excellent communicator, and a while ago did a video examining Bryan Johnson's claims: https://www.youtube.com/watch?v=7rs_JK-pTTQ https://www.youtube.com/watch?v=7rs_JK-pTTQ