FDA permits the marketing of an e cigarette for the first time, paving the way for vaping products to be legally sold in the U.S. Roswell Park Comprehensive Cancer Center Buffalo, Vaping a better quit help than gum and lozenges for some disadvantaged smokers: trial Is Vaping Better Than Smoking? American Heart Association E cigarettes a tool to reduce inequalities in smoking? UCL Institute of Epidemiology and Health Care Blog