prostate cancer sex

Does sex protect men against prostate cancer?

Men who ejaculate often may have a lower risk of prostate cancer than their peers who don’t do it as frequently, a U.S. study suggests.

Researchers followed about 32,000 men starting in 1992 when they were in their 20s and continuing through 2010. During this period, almost 4,000 of the men were diagnosed with prostate cancer.

Men who ejaculated at least 21 times a month were 19 percent less likely to be diagnosed with prostate cancer in their 20s than men who ejaculated no more than seven times a month, the study found. By their 40s . . .