Changes in vaping trends since the announcement of an impending ban on disposable vapes: A population study in Great Britain Jackson 2025 Addiction Wiley Online Library 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 Young e cigarette users report widespread use of flavor blends and concept flavors like Iced Mango, Blue Dream, and OMG What's really inside vapes? We pulled them apart to find out 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.