E cigarettes are changing how nicotine is consumed and perceived. Patterns of use often differ from traditional smoking, with more frequent and prolonged exposure throughout the day. This raises questions about cumulative Vaping Related Illness and Lung Disease NEJM E Cigarettes & HTPs: Health Risks & Impact Tobacco Atlas Be A Vape Free Teen Cecil County Health Department Fast facts on the effects of e cigarettes and vaping Smoking, Tobacco, E Cigarettes and Oral Health Growing Smiles