Did you know defective e cigarette batteries have caused serious burns and injuries? Or that the vapor contains tiny particles of nickel, tin, lead, and chromium, which are inhaled deep into the lungs? JUUL Side Effects: What Are the Health Risks? Does vaping cause throat cancer? Roswell Park Comprehensive Cancer Center Buffalo, NY Breast Cancer & E Cigarettes: Is Vaping a Safer Alternative to Smoking? Maurer Foundation