FACT: Most e cigarette users also smoke cigarettes, a pattern known as dual use. This means the tobacco industry isn't helping people quit; it's sustaining addiction through another product. While the industry claims Tobacco is deadly in any form. New and emerging nicotine products like e cigarettes and nicotine pouches are addictive and harmful to your health. There is no safe level of use. Even second hand The Dangerous Truth Behind E Cigarettes Advanced DDS Mayo Clinic Q and A: Toxic chemicals from cigarettes remain toxic in secondhand smoke Mayo Clinic News Network