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Frequent Ejaculation Linked to 20% Lower Prostate Cancer Risk

4/10/2026

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Summary

Story summary

Men who ejaculate 21 or more times per month have a 20% lower risk of prostate cancer than those who ejaculate four to seven times, per study led by Dr. Jennifer R. Rider at Harvard.
Research tracked sexual habits over two decades among U.S. health professionals.
Regular ejaculation may reduce risk, but it does not replace medical care.
Other factors such as diet, exercise, and smoking influence prostate health.

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Story summary

Men who ejaculate 21 or more times per month have a 20% lower risk of prostate cancer than those who ejaculate four to seven times, per study led by Dr. Jennifer R. Rider at Harvard.
Research tracked sexual habits over two decades among U.S. health professionals.
Regular ejaculation may reduce risk, but it does not replace medical care.
Other factors such as diet, exercise, and smoking influence prostate health.