WARNING FOR AND Illegal disposable e cigarettes (vapes) may be more dangerous than traditional cigarettes, according to new research from UC Davis. The study found hazardous levels of toxic heavy metals Vaping: High lead and nickel found in illegal vapes What's Actually in Your Vape: A Complete Chemical Breakdown Metals found in disposable e cigarette vapor could pose health risks American Chemical Society How does the disposable vape ban work, and how harmful is vaping?