New research: Marijuana use leads to more sex

Roundup: Brown vetoes multiple marijuana bills as deadline passes

NorCal congressman urges more American-grown cannabis for research

Eat, smoke or vape: Teens not too picky about cannabis choices

Federal data: Cannabis use now as common among baby boomers as with teens

Survey: Two million US teens are vaping marijuana

New warning to pregnant women, nursing mothers: Stay off marijuana

Statewide survey shows fewer California teens are using marijuana since legalization laws kicked in

Landscape on marijuana research shifting despite federal roadblocks

Public faith in marijuana outpaces medical research, study finds