Guys, The Wrong Shorts Can Shrivel Your Manhood – Boxers or briefs? The age-old question that has been put to famous athletes, actors and even presidents over the years.

And while it’s typically seen as a choice of aesthetics, one undergarment may be better than the other — or at least when it comes to a man’s sperm count, according to a recent study.

For all you brief wearers out there, it appears you need to loosen it up a bit down there.

Researchers from the Harvard T.H. Chan School of Public Health have found that men who live a little freer by wearing boxers may have higher sperm counts — not to mention better quality sperm — than those who wear jockeys or tighter briefs.

Why are briefs worse for sperm counts?

Simply put, tighty whites may just be that — too tight. The tighter the underwear, the hotter it gets, raising “scrotal temperatures” and making those sperm drop.

The study, published in the journal Human Reproduction earlier this month, surveyed 656 male partners of couples seeking infertility treatments at a fertility center in Massachusetts between 2000 and 2017.

What was the difference in sperm count?

About half of the men who reported wearing boxers had roughly 17 percent higher sperm count than the men who wore tighter forms of underwear. They also had 25 percent higher sperm concentration.

I wear briefs — should I worry?

While the study says wearing briefs may impact sperm count,

Dr. Serena H. Chen, a fertility specialist, said while the study does appear to show that wearing briefs can lower sperm counts, she said jockeys wearers out there can probably take a deep breath and relax.

“It does look statistically significant,” Chen said of the study’s findings, “but I don’t know that it’s clinically significant.”

She said the sperm count of the men who didn’t wear boxers still appeared to be in “normal” range … Read the full story at

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