Clearly flavored: the rise of clear e cigarettes A new study from UC Davis found that disposable vapes have much higher concentrations of heavy metals like lead and nickel than traditional cigarettes. CBS Evening News Facebook Vaping as a teenager is a gateway to smoking, study suggests Vape ban Australia: Fewer school age children vaping, study says Young e cigarette users report widespread use of flavor blends and concept flavors like Iced Mango, Blue Dream, and OMG Why are disposable vapes bad for the environment? Sky News