How to know what is best way to drain prostate or help prostate in another way?

Drain Prostate: The prostate is responsible for the vast majority of semen with ejaculation. There have been several studies, the largest in the well known journal jama, which showed that men in their 20s who ejaculated frequently had a lower incidence of prostate cancer later in life. Ejaculation is the most natural way to "drain" the prostate and could possible help with clearing undesirable material.