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article imageUniversity study suggests frequent sex wards off prostate cancer

By Simon Crompton     Nov 1, 2014 in Health
According to a University of Montreal study, having sex with more than 20 women can reduce your risks of prostate cancer by 28 percent.
The study found that men who have had sex with 21 women or more were a third less likely to get cancer and there was almost a 20 percent less chance to get the most aggressive type. The study also found that men who slept with 20 men were twice as likely to develop prostate cancer in comparison to men who never had sex with another man.
“It is possible that having many female sexual partners results in a higher frequency of ejaculations, whose protective effect against prostate cancer has been previously observed in cohort studies," said Dr. Marie-Elise Parent, lead researcher of the study and a worker at a men's clinic, to the Telegraph.
The study was conducted between 2005 and 2009 with over 3,200 men. It found that men who contracted prostate cancer were twice as likely to have a relative with some form of cancer. It came as a surprise to the researchers, however, that the number of sexual partners had an effect on the frequency of cancer in the men in the study.
Of the men in the study, the ones who said they never had sex had almost double the rate of prostate cancer diagnosis as those who had been sexually active.
“A new partner over time keeps one active over the years,” Parent said to the Montreal Gazette. “So the presumption is that men with several partners were exposed to more ejaculations. That’s one explanation for our findings.”
Parent could not explain the difference between the heterosexual and homosexual sex findings. She speculated that it might be because male homosexuals engage in riskier sexual behavior or that anal intercourse may cause damage to the prostate, but she did say they needed more studies to determine the cause.
The findings however do not give clear reasons behind the difference and Parent’s team will continue looking at the data to find the answers. The case study did find that having over 20 female sexual partners over a man’s lifetime may lead to less chance of getting prostate cancer.
More about University, Prostate cancer, Men's health
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