Toxicity and health effects of delta 8, delta 9, and delta 10 tetrahydrocannabinol and unregulated cannabinoids in vaping products ScienceDirect Smoke and Mirrors: Truth Initiative Conceals Benefits of Vaping American Council on Science and Health Electronic Nicotine Delivery Systems (ENDS), including e cigarettes and vapes, are often perceived as a safer alternative to traditional tobacco. But is the evidence really supporting this belief? A recent umbrella review published Electronic cigarettes use and 'dual use' among the youth in 75 countries: estimates from Global Youth Tobacco Surveys (20142019) Scientific Reports WHO estimates at least 15 million teenagers use e cigarettes worldwide Reuters