Madison Bumgarner and catcher Buster Posey of the San Francisco Giants celebrate after winning Game 7 of baseball's World Series against the Kansas City Royals. David J. Phillip/AP hide caption

itoggle caption David J. Phillip/AP

Low-dose pot-infused cookies, called the Rookie Cookie, sit on the packaging table Sept. 26 at The Growing Kitchen, in Boulder, Colo. The state legalized recreational pot use last year. Brennan Linsley/AP hide caption

itoggle caption Brennan Linsley/AP