Up in smoke: Considerations for lithium ion batteries in disposable e cigarettes: Joule Turns out the disposable nicotine delivery systems are, as suspected, worse than the real thing, according to a new study from researchers at UC Davis. Disposable vapes axed in Belgium in European first to stem youth addiction Fortune Metals found in disposable e cigarette vapor could pose health risks American Chemical Society 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 Standardizing Disposable Vapes May Reduce Teen Use RT