https://www.dailymail.co.uk/health/a...erections.html
Biohacker Bryan Johnson reveals he wears a device on his PENIS every night to measure how many erections he gets
- Bryan Johnson, 46, said he wears a small device on his penis every night
- The device measures nighttime erections, which he is trying to have more of
- READ MORE: Biohacker Bryan Johnson before and after extreme health regimen
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