Have a look at him:
https://fortune.com/well/2023/01/26/bryan-johnson-extreme-anti-aging/
I think a $20 haircut would have been a better investment.
My aunt died at age 97 with a C. difficile infection. She died without noticeable wrinkles, which is what she would have wanted.
This man is the type of person who likes to be tended to, waited on, fussed over. I don’t even like a Barber washing what’s left of my hair.