1. Doctors take a sperm sample and check activity to determine if the man has ejaculated recently.
2. They found that men who had ejaculated the most between the ages of 20 and 50 were the least likely to get cancer.
3. ejaculated
3. Men who ejaculated more than five times each week were a third less likely to develop prostate cancer.
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4. His semen was redirected to the urinary bladder rather than being ejaculated via the urethra.