‘Munchies’ is real: Researchers find a link between state recreational marijuana legalization and increased consumption of junk food
It’s an infamous pop culture portrayal. After smoking marijuana, the main characters in the movie go on an epic junk-food binge, consuming mass quantities of chips, cookies, and whatever other high-calorie, salt-or-sugar-laden snacks they can get. While some neuroscientists have hypotheses, there remains no formal causal evidence to support this notorious effect of marijuana on the human brain.

Image/bhumann34 via pixbay
A study released this month from a UConn economist, however, did find a link between state recreational marijuana legalization and increased consumption of certain high-calorie foods, suggesting there may be something more substantial to the urban myth of “the munchies.”
Assistant professor of economics Michele Baggio conducted the study in collaboration with Alberto Chong, a professor at Georgia State University’s Andrew Young School of Policy Studies. Published by the Social Science Research Network, the study looked at data on monthly purchases of cookies, chips, and ice cream from grocery, convenience, drug, and mass distribution stores in more than 2,000 counties in the United States over a 10-year period. The data, largely taken from the Nielsen Retail Scanner database, covers 52 designated market areas in the 48 contiguous states.
The researchers compared purchasing trends to the implementation dates for recreational marijuana laws in states including Colorado, Oregon, and Washington. Their analysis showed that legalizing recreational marijuana led to a 3.1 percent increase in ice cream purchases, a 4.1 percent increase in cookie purchases, and a 5.3 percent increase in chip purchases immediately after recreational marijuana sales began. While increases in ice cream and chip purchases reduced slightly in the months following legalization, the increase for cookie purchases remains high.
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