Frequent sex: Does it protect against prostate cancer?

Q.	Is there any research to support the theory that frequent ejaculation or sex reduces the risk of prostate cancer? Richard / Oregon see response Mayo Clinic urologist Erik Castle, M.D., and colleagues answer select questions from readers.

All Prostate Cancer Q&As:

• Early prostate cancer antigen (EPCA): A better prostate cancer test?
• Flaxseed: Does it increase my prostate cancer risk?
• Frequent sex: Does it protect against prostate cancer?
• PSA levels: Can they rise after prostate removal?
• Pomegranate juice: A cure for prostate cancer?



• Prostate cancer brachytherapy: Can I pass radiation to others?
• Prostate cancer: Does PSA level affect prognosis?
• Vasectomy: Does it increase my risk of prostate cancer?

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