Sex with 21 Women Reduces Men’s Chances of Prostate Cancer, Study Finds

For gay men, however, the fewer partners the better.

Rejoice, straight men of the world! You can now sleep with twenty-plus partners and feel no shame about it! Oh wait, you already don’t, never mind! That’s women! We forgot. But hey, good news is good news (sorta).

Researchers at the University of Montreal found that straight men who have sex with 21 women have a decreased chance (28 percent) of getting prostate cancer. So bang away, gentlemen — it’s for your health.

For gay men, on the other hand, the results were not as chipper.

The study, published in the journal Cancer Epidemiology, found that men who slept with twenty-plus men doubled their chances of getting prostate cancer, a finding that researchers couldn’t readily explain.

“It could come from greater exposure to STIs, or it could be that anal intercourse produces physical trauma to the prostate,” said lead researcher Dr. Marie-Elise Parent in Science Daily. But, the STI hypothesis flies in the face of the study’s other highlight, which points out that there’s “[n]o association found between sexually transmitted infections and prostate cancer.”

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