Does smoking marijuana reduce testosterone levels?

Marijuana and testosterone levels I don't actively smoke weed myself, but I have nothing against pot, or against the people who use it. Which is why I try to be as objective about the subject as I possibly can. read more

Smoking marijuana can reduce testosterone in the short-term, but the long-term effects are currently unclear. The photo above is of me as I puff on a joint and observe a storm emerging over the beautiful Gulf of Thailand. read more

The Research Behind Marijuana and Testosterone: a) The claim that marijuana causes man-boobs, aka gynecomastia, has more than likely originated from these few in-vitro studies (study, study), where crude marijuana extract had estrogenic effects on isolated rodent cells. read more

To investigate possible effects of chronic marijuana use on reproductive and stress hormones, we assayed testosterone, luteinizing hormone, follicle stimulating hormone, prolactin, and cortisol in 93 men and 56 women with a mean (+/- S.E.) age of 23.5 +/- 0.4 years. read more