E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA What are e cigarettes and the controversies that surround them? On Medicine Vaping may raise cancer and heart disease risk, study suggests Medical research The Guardian FDA warns stores to stop selling fruity disposable e cigarettes PBS News E Cigarettes & HTPs: Health Risks & Impact Tobacco Atlas With Commissioner Under Pressure, F.D.A. Opens Door to Flavored Vapes The New York Times