Chinese study links tight underwear to reduced sperm quality

A comprehensive analysis of approximately 27,000 men found a correlation between wearing tight underwear and decreased semen quality metrics, along with increased sexual dysfunction rates. Researchers suggest elevated temperature in the scrotum may impair final stages of sperm cell development, though they emphasise no direct causal relationship has been established. The findings add to existing research on male fertility factors.

Sources: Israel Hayom

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