NPR

Boxers Or Briefs? Experts Disagree Over Tight Underwear's Effect On Male Fertility

The jury's still out on whether underwear preference matters to male fertility, but men who wear briefs, or other tight options, were found to have slightly lower sperm counts in a new study.
A study published Wednesday suggests men who wear briefs — tight-fitting underwear — have sperm counts that are, on average, 17 percent lower than men who wear boxers.

If you've ever seen someone with testicles get kicked in the groin, then you probably know that male genitals — often portrayed as a symbol of male strength and virility — aren't actually that tough.

But can testicles — or rather, the sperm they produce — be harmed by something as seemingly innocent as a pair of briefs?

A study Wednesday in the journal finds lower sperm counts in people who wear tight-fitting underwear. But some experts

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