Do you wear Polyester Underwear? Time to Switch Materials According to Shocking Study
The study, “Contraceptive efficacy of polyester-induced azoospermia in normal men” found that men who wore polyester underwear for 12 months became azoospermic (had no sperm in their semen). The study also found that the men who wore polyester underwear had a lower testicular volume and a higher rectal-testicular temperature difference than men who wore cotton underwear.