Semen & Prostaglandin by Mr Cox A man’s semen contains prostaglandin, a hormone specific to semen, and men who swallow have lower rates of depression than those who don’t. Recommended Further Reading : Semen acts as an anti-depressant – New Scientist Cocksuckers,spunky semen 7,745 views You may also like Jock Wanking 2,902 views Hands Free Ejaculation 9,152 views Brothers in Bate 13,714 views «1…8910Page 10 of 10