men who averaged 4.6–7 #ejaculations a week were 36% less likely to be diagnosed with prostate #cancer before the age of 70 than men who ejaculated less than 2.3 times a week on average. [...] With respect to prostate cancer, though, #sexualactivity in adolescence may be a #predictor of risk in adulthood.
https://www.health.harvard.edu/mens-health/ejaculation_frequency_and_prostate_cancer
Ejaculation frequency and prostate cancer - Harvard Health

Research into the connections between sexual activity and prostate cancer....

Harvard Health