Studies have shown that cannabis users are less obese than non-users. Scientists are trying to figure out why.

The day cannabis became legal in Canada, media coverage included jokes about grocery stores selling out of Doritos and tales about a plucky Girl Guide selling out of cookies outside of a dispensary. Amusing though they may be, wisecracks about the munchies obscured a much bigger and surprising public health note: Weed might actually help people lose weight.

The relationship between body weight and cannabis use has become clearer only in the last decade. Dr. Yan Le Strat, a professor of psychiatry at the University of Paris, in 2011 published an analysis of two sets of survey data from 2001-03 in the American Journal of Epidemiology. The first came from the National Epidemiologic Survey on Alcohol and Related Conditions and included 43,093 survey respondents. It showed that 16.1 percent of cannabis users were obese versus 25.3 percent of non-users. The second set came from a survey by the National Comorbidity Survey–Replication. Of the 9,283 people who responded, 17.2 percent of cannabis users were obese, versus 25.3 percent of non-users.

– Read the entire article at Vice News.