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