FDA move on flavored vapes sparks concern on toxicity, teen vaping 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 Is Vaping Safe? Are E cigarettes Safe ? Vuse UK Study: e cigarette users with substances linked to bladder cancer in urine