Vaping Devices (Electronic Cigarettes) DrugFacts National Institute on Drug Abuse (NIDA) New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking Hookah vs Vape vs Cigarette: Which is more harmful? Do Flavoring Agents make them more addictive? Vaping Produces Far Less Second Hand Nicotine Than Smoking Respiratory Therapy Some E Cigarette Flavors May Be More Harmful Than Others The Atlantic