The longevity entrepreneur – who is 47 but has the body of a man in his 30s – revealed that measuring nighttime erections is one of the most important markers of health. The longevity entrepreneur – who is 47 but has the body of a man in his 30s – revealed that measuring nighttime erections is one of the most important markers of health.
Biohacker Bryan Johnson is rejuvenating his penis – reveals how to check your ‘erection age’
