Health claim
“Heat exposure from tight underwear or frequent sauna use can impair sperm production.”
Claim checked — strong evidenceMedium riskexercise
Evidence Summary
Multiple well-designed studies consistently support this claim.
Elevated scrotal temperature is known to adversely affect spermatogenesis.
Extracted from
How do I know if I am fertile male? Signs of fertility you should knowDr. Shah Dupesh
The video discusses various indicators of male fertility, emphasizing that fertility assessment is complex and suggesting simple at‑home observations and basic medical tests.
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