It is a phenomenon known as “the munchies,” and though it is commonly associated with late night, high-calorie diets, recent studies suggest that the relationship between cannabis use and the human metabolic system is more complex than it might seems.
In fact, the rate of obesity and diabetes among weed smokers is dramatically reduced compared to non-marijuana users, researchers found. Also, frequent marijuana users are generally slimmer than non-users, with waistlines that are 1.5 inches smaller, on average, than their former or non-using counterparts.