This election was a tipping point for marijuana legalization

Recreational marijuana is now legal in California — and that’s a game changer for public health. Though many other states have already legalized weed for medicinal purposes and four for recreational purposes, the size and population of California puts its decision in a different league and it could lead the way to figuring out policy around the drug.Maine, Nevada, and Massachusetts also legalized recreational marijuana, though the initiative failed in Arizona.Medical marijuana was al