Disposable Vapes Release More Toxic Metals Than Traditional Cigarettes: UC Davis Study The Epoch Times Young adults don't know what's in nicotine products they vape Disposable Vapes Could Be Unhealthier Than Traditional Cigarettes: Study Disposable vapes more toxic and carcinogenic than cigarettes, study shows Years ago, vaping was thought to be a way to stop smoking. However, in the following decades other troubles come from vaping including very high levels of nicotine delivery, battery explosions