Evidence on cannabis legalization's effects on mental health remains scarce, despite both rapid increases in cannabis … use and an ongoing mental health crisis in the United States. We use granular geographic data to estimate medical cannabis … that medical cannabis availability had negative effects on mental health for the adult population overall. We also find …

Booze, dope, smokes, and weed. Mind-altering, mood-changing substances have been part of human society for millennia …

of legalization are likely to bring any desired changes. The legal production costs of cannabis are likely to drive down …