People who smoke marijuana or cannabis weigh less as compared to adults who don't, a new study suggests. The findings are contrary to the belief that marijuana users who have a serious case of the munchies that will ultimately lead to weight gain.

"Over a three-year period, all participants showed a weight increase, but interestingly, those who used marijuana had less of an increase compared to those that never used," said lead author Omayma Alshaarawy from the Michigan State University.