Nicotine absorption from electronic cigarette use: comparison between first and new generation devices Scientific Reports New study finds disposable vapes more toxic than traditional cigarettes #shorts YouTube 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 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 Disposable vapes ban could lead young adults to switch to cigarettes, study finds Study Finds Powerful Sweetener in Vapes Marketed to Teens Powers Health