Health claim
“Wearing tight underwear or cycling frequently raises scrotal temperature and reduces sperm quality.”
Evidence Summary
Multiple well-designed studies consistently support this claim.
Thermal stress is a recognized factor that can impair spermatogenesis; studies link tight underwear to higher scrotal temperature and lower sperm counts.
Extracted from
How To Boost Men's Fertility I International Men's Health Week I OnlyMyHealthOnlyMyHealth
The video offers brief tips on enhancing male fertility during International Men’s Health Week, presented by OnlyMyHealth.
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