Chris Alexander, executive director of the New York State Office of Cannabis Management, shows off the first purchase of cannabis gummies bought at Housing Works — New York's first legal cannabis dispensary, during a press conference to kick-off its opening on Thursday. Bebeto Matthews/AP hide caption
Jars of marijuana line a shelf at The Flower Shop Dispensary in Sioux Falls, S.D. on Oct. 14, 2022. South Dakota's legal pot industry has started with medical cannabis, but voters are deciding whether to also legalize recreational pot. Stephen Groves/AP hide caption
The South Dakota Supreme Court has upheld a lower court's ruling that nullified a voter-passed amendment to the state constitution that would have legalized recreational marijuana use. Here, a cannabis plant at the Greenleaf Medical Cannabis facility in Richmond, Va., in June. Steve Helber/AP hide caption
U.S. Rep. Dave Joyce, R-Ohio, is co-sponsoring a GOP plan that would regulate marijuana like alcohol and enable the Department of Veterans Affairs to prescribe cannabis treatments to veterans. Mark Duncan/AP hide caption
An illegal cannabis cultivation site in the city of Buellton in Santa Barbara County, Calif. Authorities seized 20 tons of illegal cannabis in June in a raid that lasted four days. Santa Barbara County Sheriff via AP hide caption
A customer buys marijuana at Harborside dispensary in Oakland, Calif., on Monday. Mathew Sumner/AP hide caption
Kids who saw an ad for legal marijuana were more likely to report smoking it one year later, according to a Rand Corp. report. Tomas Rodriguez/Getty Images hide caption
Congress marijuana Bill Clark/CQ-Roll Call,Inc. via Getty Images hide caption
A man tends to marijuana plants at a 54,000-square-foot marijuana cultivation facility in Las Vegas. In Nevada's first weekend of recreational pot sales, "well over 40,000 retail transactions" were carried out, tax officials say. Ethan Miller/Getty Images hide caption
Proponents of the emerging pot-for-pleasure industry want to grab a share of the nearly $2 billion tourism business in Sonoma County with events like dinners that incorporate marijuana. Courtesy of Sonoma Cannabis Company/Kristen Jeanne hide caption
A demonstrator at a marijuana legalization rally in Washington, D.C., on Inauguration Day 2017. Theo Wargo/Getty Images hide caption
Cannabis plants grow in the greenhouse at Vireo Health's medical marijuana cultivation facility on Aug. 19 in Johnstown, N.Y. Drew Angerer/Getty Images hide caption
A marijuana plant is displayed during the 2016 Cannabis Business Summit & Expo last month in Oakland, Calif. Justin Sullivan/Getty Images hide caption
Kurt Britz checks a driver's license at the 3-D Denver Discrete Dispensary on Jan. 1, 2014, the first day recreational marijuana sales were legal in Colorado. Possession remains illegal for those under 21 years old, and statistics show a widening racial gap in arrests for those offenses. Theo Stroomer/Getty Images hide caption