Vaping Cannabis Produces Stronger Effects Than Smoking Cannabis For Infrequent Users Johns Hopkins Medicine Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Marijuana Smoke American Nonsmokers' Rights Foundation no smoke.org Secondhand marijuana smoke and kids Harvard Health We protect kids from cigarette smokelet's do the same with vaping. Secondhand vape isn't harmless, here is what parents need to know: https: www.undo.org disease secondhand vape