Smoke without fire: What's the truth on e cigarettes? New Scientist The impact of e cigarette exposure on different organ systems: A review of recent evidence and future perspectives ScienceDirect January 2016 E Cigarettes More Risky Than Many Think Petro Cohen About E Cigarettes (Vapes) Smoking and Tobacco Use CDC Think vaping is a safer choice? Think again! Vaping may look harmless, but it's loaded with nicotine and toxic substances that can increase blood pressure and raise the risk of heart