E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA Think Before You Vape! Vaping isn't harmlesse cigarettes can contain nicotine, heavy metals, and harmful chemicals. Risks include addiction, lung injury, and heart issues. Protect your health and make informed choices! # It's true that e cigarettes don't have as many chemicals as traditional tobacco products, but that doesn't mean they're safe. Franciscan Health pulmonologist Dr. Faisal Khan breaks down the facts on vaping and Quel dosage de nicotine dans un e liquide ? Bioconcept China e cigarette titan behind 'Elf Bar' floods the US with illegal vapes Reuters