Does sexual activity keep the prostate healthy?
D000328:Adult; D000367:Age Factors; D000368:Aged; D003075:Coitus / Q000502:physiology; D003469:Culture; D004542:Ejaculation / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011467:Prostate / Q000502:physiology*; D011470:Prostatic Hyperplasia / Q000209:etiology