Bryan Johnson's Testicle Icing Experiment: Biohacker Claims Fertility Boost, Redditors Follow Suit
Longevity influencer Bryan Johnson claims his daily testicle icing protocol significantly increased his sperm count and motility, inspiring half a million Redditors to try similar methods. While some studies support scrotal cooling for fertility, experts caution against ice packs, citing a lack of large clinical trials and emphasizing traditional health practices.



















