Men who wear boxer shorts produce higher quality semen, study

New research found men who wear boxer shorts have higher sperm

Men who wear tight boxers produce lower quality SPERM, study

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Boxers or brief: A man's choice of underwear affects his sperm

Do Briefs Kill Your Sperm?

Men who wear boxer shorts have far better sperm, study suggests

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Men who wear tight boxers produce lower quality SPERM, study

Men should go commando if they want kids

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