Cannabis leaves sit on plants growing in a greenhouse in the GW Pharmaceuticals Plc facility in Sittingboune, U.K. on Monday, Oct. 29, 2018. Jason Alden | Bloomberg | Getty Images A vast marijuana far...
Cannabis leaves sit on plants growing in a greenhouse in the GW Pharmaceuticals Plc facility in Sittingboune, U.K. on Monday, Oct. 29, 2018. Jason Alden | Bloomberg | Getty Images A vast marijuana far...