The bad effects of daily masturbation are many: 1. Daily masturbation will lead to sexual fatigue, which will eventually lead to impotence, premature ejaculation, and also lead to mental depression, poor physical condition, not wanting to work, not wanting to do anything else, and indulging in sexual activities all day long. 2. Daily masturbation may also lead to low overall immune function, which for a long time will lead to congestion throughout the perineum and prostate, prostatitis, and bloody semen after ejaculation. It is generally recommended not to masturbate every day, to have a regular sex life, 1-2 times a week, so as to be beneficial to the body, too much masturbation can seriously damage the reproductive and urinary systems.