Can ice packs boost male fertility? Bryan Johnson experiment goes viral
Longevity influencer Bryan Johnson is promoting a controversial biohacking protocol involving applying ice packs to the groin to improve male fertility. While Johnson claims significant improvements in sperm metrics, the practice has sparked widespread interest and informal testing within online communities despite limited clinical evidence.
Why it matters
This highlights the growing influence of 'biohacking' trends and the potential health risks or benefits of unverified self-experimentation popularized by social media.
Bryan Johnson is a longevity influencer who claims to have spent millions of dollars tracking and streamlining nearly every aspect of his biology in order to slow down or reverse ageing. At 48, he is undeniably fit, sleeps more than 8 hours and has a fertile age, or so he claims.Over the years, he has tracked his erections, injected his son's plasma into himself and monitored his girlfriend Kate Tolo's vaginal microbiome, all to prove a point. Now, his latest experiment involved ice packs and male testicles, inspiring half a million Redditors to follow suit, as per a report by VICE.Johnson, the billionaire biohacker behind Project Blueprint claims that 27 daily sauna sessions with an ice pack strapped to his groin produced a 57% increase in total motile sperm count, a 26% jump in concentration and improvement across morphology and motility.
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in