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COMMENTARY: Why men are willing to donate sperm — and are using Facebook to make the arrangements - National
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Boxers or briefs? Largest-ever study shows boxers may beat briefs for baby-making - ABC News
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Boxers or briefs: Underwear can affect your sperm count but that's definitely not the whole story
Buy Snowballs Cooling Underwear for Men - Fertility, Vasectomy, Varicocele, Testosterone - 2 Underwear, 3 SnowWedge Ice Packs: Shop top fashion brands
Cooling Underwear for Men - Fertility, Vasectomy, Varicocele, Testosterone - 2 Underwear, 3 SnowWedge Ice Packs