Admittedly, smoking yourself into oblivion and giving into the munchies night after night isn’t going to do anything for your waistline or your health in general. Nevertheless, more sensible use of marijuana has been linked with both a more efficient metabolism and improved management of sugars within the body. Roughly translated, both of these things add up to a considerably lower likelihood of gaining weight in the first place, not to mention accelerated weight loss. Studies have shown that generally speaking, those who smoke cannabis on a regular basis are thinner than their counterparts who abstain.