Men with More Female Partners Have Lower Prostate Cancer (PCa) Risk

the Renal and Urology News take:

Men who have slept with more than 20 female partners are less likely to develop aggressive prostate cancer (PCa), according to a recent study published in Cancer Epidemiology.

Researchers led by Marie-Elise Parent, PhD, of the University of Montreal looked at 3,208 men as part of the Prostate Cancer & Environment Study (PROtEuS), in which men responded to questions about their sex lives. Among these men, 1,590 were diagnosed with PCa between September 2005 and August 2009, while the other 1,618 men were used as a control group.

They found that men who had more than 20 female partners in their lives had a 28% reduced risk of developing PCa, with the most aggressive tumors being reduced in risk by 19%.

“It is possible that having many female sexual partners results in a higher frequency of ejaculations, whose protective effect against PCa has been previously observed in cohort studies,” Dr. Parent noted.

Celibate men were found to have twice the risk of PCa. Gay men who self-reported in having more than 20 male partners were also found to have a twofold risk of developing PCa, as well as a sixfold risk in less aggressive PCa compared to those who had only one male partner. Dr. Parent attributed this to a greater exposure of sexually-transmitted infections in this population.

“We were fortunate to have participants from Montreal who were comfortable talking about their sexuality, no matter what sexual experiences they have had, and this openness would probably not have been the same twenty or thirty years ago,” she concluded.

Men with More Female Partners Have Lower Prostate Cancer (PCa) Risk
Men who have slept with more than 20 female partners are less likely to develop aggressive prostate cancer.

To protect against prostate cancer, take a lover - or 20. According to a new study, men who sleep with multiple women are almost a third less likely to develop the disease. Researchers found men who have more than 20 notches on their bedpost slashed their risk of prostate cancer by 28 per cent. And the study also revealed that men who have slept with more than 20 women reduced their chances of getting the most aggressive tumours by 19 per cent.

Celibacy, on the other hand, doubles the risk of the disease. Prostate cancer is the most common male cancer in the UK, with 41,700 new cases diagnosed and 10,800 deaths each year. The findings add to evidence that regular intercourse may flush out cancer causing chemicals as the prostate secretes the bulk of the fluid in semen.

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