F.D.A. Delays Decision on Juul's E Cigarettes but Orders Others Off the Market The New York Times SRU public health professor studies why adolescents quit using e cigarettes Slippery Rock University FDA Sets Limits on Retail Sales of Flavored E Cigarettes WSJ Vapists rejoice! E cigs lower cancer risk (if you stop smoking, duh) Smoke Without Fire: The Business of E Cigarettes