CNN Chicagoland March 16, 2014 03:37:00
Ingredient thc than ever before. brain researcher dr. nora volkow. >> if you smoke a very potent marijuana, then the thc content is going to go very fast into your brain at relatively high concentrations, and then that increases its rewarding effects and likelihood of transitioning into addiction. >> how much stronger is it? >> you see the barbed wire, obviously, on the fences. >> well, i traveled to mississippi where marijuana is illegal, but here on the campus of one of the countrys oldest uni...
Source: archive.org