What research says about marijuana and cancer

Survey reveals skyrocketing interest in marijuana and cannabinoids for pain

New research: Marijuana use leads to more sex

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

Lacking quality weed extract, US researchers turn to Canada

Survey: Two million US teens are vaping marijuana

Study: Half as many people are trying heroin, but marijuana use grows

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