Want healthier sperm? Wear this type of underwear

Are Tighty Whities Bad for a Man's Sperm Count

Are Tighty Whities Bad for a Man's Sperm Count

Men who wear boxers are reportedly more likely to be more fertile than those who wear tight underwear such as briefs.

The researchers found men who reported primarily wearing boxers had a 25 per cent higher sperm concentration and 17 per cent higher total count, compared to those who usually wore a different type of underwear.

They sought to test the theory that briefs, being more constricting, raise scrotal temperature and have a negative effect on fertility.

"Beyond providing additional evidence that underwear choices may impact fertility, our study provides evidence, for the first time, that a seemingly random lifestyle choice could have profound impacts on hormone production in men at both the level of the testis and the brain", Jorge Chavarro, senior author of the study and associate professor of nutrition and epidemiology, said in the statement.

If you wear boxer shorts, your sperm will pack more of a punch.

Also, the study did not measure actual pregnancy outcomes, so it was unclear whether the differences in sperm count and quality uncovered actually made a bottom-line difference in the desired outcome.

The results showed that men who chose looser-fitting undergarments like boxers had a higher average sperm count and concentration than men who frequently wore briefs.

It's known that higher testicular temperatures can negatively affect sperm production.

We know what you're thinking.

Men who wear tight-fitting briefs have sperm counts that suffer in comparison to men who wear boxers, according to results from the largest study to date on the controversial topic. "Higher FSH stimulates sperm production in men, so this suggests the testes were trying to tell the brain there's a need for rescuing and compensation".

From time immemorial, the debate about the best underwear for men has divided men into two camps: the ones who favour tight briefs and the others who love shorts. The rest wore tighter underwear.

However, other experts said they wouldn't make a flat-out recommendation for men to switch to boxers. "There is a big difference between measuring aspects of sperm quality (as done in this study) and measuring fertility". Other potentially confounding factors that were not taken into consideration included the type of pants worn, and the textile fabric of the underwear.

The study found underwear choice could actually be a "key regulator" of sexual development and reproduction.

Previous research has linked increased scrotal temperatures (yes, that does mean "hot balls") to declining testicular function and lower quality sperm, so researchers wanted to see if the style of underwear a man wears might have an effect.

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