Quick answer: is the 33% figure real
Yes, it comes from a real Harvard-affiliated study — but it's a statistical association, not proof of cause. Don't read it as needing exactly 21 ejaculations a month; genetics and diet play a role too.
Prostate cancer is the most common cancer in men. On average, 1 in 8 men will develop prostate cancer. It is also the second most dangerous cancer in males. Preventing cancer is therefore a choice for taking care of your own health.
Every man has masturbated using his hands. Or what is known in local language as "Jerking off", although excessive sexual masturbation can have negative effects on the body. But from the research results it was found that Masturbating 21 times a month can help avoid prostate cancer.
Research from Harvard University published in European Urology magazine found that men masturbate 21 times per month. Can reduce the rate of prostate cancer by 33%
This research studied 31,925 males who had undergone prostate cancer examination and biopsy. It was found that the group of men who masturbated frequently and people with prostate antigen Less than the average person indicates a risk of prostate cancer
Tips of knowledge
Prostate Antigen or Prostate-Specific Antigen (PSA) is a protein produced by cells in the prostate. (both normal cells and cancer cells) PSA is mainly found in semen. But there are small amounts in the blood. Most men had levels below 4 nanograms per milliliter (ng/mL) in their blood.
When researchers averaged the number of times the men with the lowest PSA levels found they masturbated on average 21 times per month.
SUMMARY
However, their heavy weight physical activity and food eaten It also affects the risk of getting prostate cancer. Therefore, eating a diet low in fat, meat, fish, fruits and vegetables, as well as exercising regularly can help prevent prostate cancer.
This article publishes only the results of research. I do not encourage excessive masturbation. Because it may cause negative consequences.
Illustrations from the internet
Some information from : - europeanurology.com - news.com.au - mayoclinic.org
Sources
Updated 24 Sep 2026.