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Masturbation (thủ dâm) is a personal choice that experts suggest is helpful in reducing stress and boosting other health factors. But did you know that frequent ejaculation can also prevent a man from developing prostate cancer (ung thư tuyến tiền liệt)? It has been proved in research done by Harvard University. The study, published in the journal European Urology in 2016, suggests that men who ejaculate about 21 times a month can beat the odds of being diagnosed with prostate cancer by 33 percent. To discover the results, researchers studied a population of 31,925 men by sending them a questionnaire about how often they indulge in masturbating.

The research lasted over a period of 18 years when the team tracked down how many among the specified population ended up suffering from prostate cancer. During the entire study, the men were assessed at three different times, a year before the questionnaire was handed over, in their 20s, and once again in their 40s. The conclusion of the study recorded that men who ejaculated frequently showed lower rates of developing prostate cancer.

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