Does marijuana really lower testosterone? If so, how much does smoking marijuana lower testosterone? Is there any real world proof to back up the idea that smoking weed will lower your testosterone and hinder your muscle gains in the gym? Is there any link at all between marijuana and testosterone? That's what we're going to discuss in this video...

If you want to check out some more info about this you can visit the websites below:
http://www.erowid.org/plants/cannabis/cannabis_myth6.shtml
http://www.illpumpyouup.com/articles/marijuana-and-bodybuilding.htm
http://www.ncbi.nlm.nih.gov/pubmed/1935564
http://www.ncbi.nlm.nih.gov/pubmed/920892
http://www.webmd.com/mental-health/marijuana-use-and-its-effects
http://norml.org/library/health-reports/item/norml-s-marijuana-health-mythology