Longevity-obsessed millionaire Bryan Johnson wonders whether his bid to live forever has gone too far

Bryan Johnson says he may have taken his extreme anti-aging pursuit too far.

The longevity influencer recently received a second autoimmune disease diagnosis, adding to his health setbacks.

His Blueprint-driven regimen and unconventional experiments are drawing renewed scrutiny.

As a leading face of the anti-aging movement, his doubts underscore the physical and medical limits of extreme longevity efforts.