Health claim
“Wearing tight underwear reduces testicular temperature and therefore lowers sperm production.”
Claim checked — strong evidenceLow riskother
Evidence Summary
Multiple well-designed studies consistently support this claim.
Multiple studies have linked scrotal hyperthermia from tight garments to decreased sperm parameters.
Extracted from
Sperm count anxiety: The unproven hacks men are using to try and boost fertility - BBC World ServiceBBC World Service
The BBC World Service video examines the growing anxiety around low sperm counts and critiques a range of unverified methods men are trying to improve fertility.
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