Does Sex Affect Prostate Cancer Risk?
A man's prostate cancer risk might be influenced by his number of sexual partners, ejaculation frequency, and age at his first intercourse, experts say.
The findings come from a new meta-analysis of 22 studies involving over 55,000 participants, published online in August in the Journal of Sexual Medicine.
The researchers discovered that prostate cancer risk was lower for men who had had fewer partners and for men who had had their first intercourse at an older age.
They also reported that moderate ejaculation frequency - between 2 and 4 times a week - might protect against prostate cancer.
The results need to be validated by more research, they added.
More information on the study, including proposed reasons why these factors might influence risk, can be found here.
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