Disposable vapes are more toxic than cigarettes, contain lead: Study Disposable vapes spew toxic metals at higher levels than cigarettes, study finds Metals found in disposable e cigarette vapor could pose health risks American Chemical Society Nicotine absorption from electronic cigarette use: comparison between first and new generation devices Scientific Reports How disposable vapes have become a prominent part of young people's lives UEA Vaping While Pregnant? Duke Study Reveals Dangers to Fetal Growth and Development in Mouse Model Duke Health