Illinois Voters Approve Marijuana Legalization Ballot Measure Illinois Voters Approve Marijuana Legalization Ballot Measure Forbes Study: Marijuana Smoke 3 Times Worse For You Than Tobacco Smoke U.S. News & World Report Democrats and Republicans Unite to Reject Marijuana Legalization Bill In Committee Hartford Courant One Minute of Marijuana Secondhand Smoke Exposure Substantially Impairs Vascular Endothelial Function. NCBI – NIH Are There Risks From Secondhand Marijuana Smoke? Early Science Says Yes NPR Full coverage