NEW: After an extensive scientific review, FDA has authorized marketing of six Vuse Alto tobacco flavored e cigarette pods and accompanying power unit. Pods are sealed, pre filled, and non refillable. https: www.fda.gov tobacco products ctp newsroom FDA move on flavored vapes sparks concern on toxicity, teen vaping Can vaping damage your lungs? What we do (and don't) know Harvard Health Study: e cigarette users with substances linked to bladder cancer in urine