One out of seven men will get prostate cancer. Unfortunately, most of the risk factors have to do with age, race, and family history, so they are not modifiable. But new research suggests that daily orgasms will reduce the risk of prostate cancer by over 20 percent. From The Telegraph:
The study data showed that the participants who ejaculated more than 21 times a month were at a 22 per cent lower risk of getting the disease. As for how men achieved ejaculation, it is not a requirement to have a sex partner. Whether it be sexual intercourse, nocturnal emission, or masturbation, all are beneficial.
From an interview with Dr. Jennifer Rider of Harvard Medical School, who conducted the research:
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The current study is the largest prospective study to date on ejaculation frequency and prostate cancer. It includes 18 years of follow up of almost 32,000 healthy men, 3839 of whom later were diagnosed with prostate cancer. We asked men about their average monthly frequency of ejaculation between the ages of 20-29, 40-49, and in the year prior to the questionnaire (1991). We find that frequency of ejaculation throughout life course is inversely associated with risk of prostate cancer at all three of these time points. For instance, men who have an average monthly ejaculation frequency of 21 or more times/month at ages 40-49 have a statistically significant 22% reduction in risk of developing prostate cancer compared to men with a frequency of 4-7 times/month, adjusting for multiple dietary and lifestyle factors, and prostate cancer screening history.