Masturbating and having sex more frequently may lower the risk of prostate cancer in men, according to a review of studies spanning 30 years. Increased ejaculation frequency is associated with a reduced risk of prostate cancer by one-third. The exact mechanism is not well understood but may involve increased blood flow to the prostate.
Key Points
Ejaculating 21 or more times per month linked to 31% lower risk of prostate cancer
Increased blood flow to the prostate may help flush out carcinogens
Studies suggest that frequent ejaculation may stimulate changes in prostate tissues
Pros
Increased ejaculation frequency associated with lower risk of prostate cancer
Potential benefits of increased blood flow to the prostate