are e cigarettes unsafe? SiOWfa15: Science in Our World: Certainty and Controversy E cigarette use and respiratory symptoms in adults: A systematic review and meta analysis FDA Authorizes First Fruit Flavored E Cigarettes for Adult Smokers The U.S. Food and Drug Administration has shifted policy to allow fruit flavored vaping products intended for adults. Read the full article at newsnews.ai #UnitedStates # E cigs have similar risks to cigs for some diseases and nearly as high for others. Dual use riskier than smoking alone Stanton Glantz blog