Wearing boxer shorts boosts sperm count, scientists say, Men's health

Looser fitting underpants keep testicles cool, resulting in 25% more sperm being produced

How Men's Underwear Can Affect Sperm Quality: Dispelling the Myth

New research found men who wear boxer shorts have higher sperm count

Boxers or Briefs? It May Depend on Your Fertility Goals - The New York Times

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Can men's underwear affect their fertility and health?

Sperm patrol

Boxers vs. Briefs and Sperm Count

Boxers or Briefs? Study on Sperm Counts Determines the Healthiest

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Boxers or Briefs? Study on Sperm Counts Determines the Healthiest

Buy Peter England Peter England Maroon Cotton Printed, 57% OFF

Facts And Myths Of Male Fertility: Tight Underwear, Hot Tubs

Men who wear boxer shorts produce higher quality semen, study finds, The Independent