Believe It or Not, 1 Vape has 20 Cigarettes Worth of Nicotine UC San Francisco Vaping: Safer than cigarettes or a new health crisis? Disposable e cigarettes more toxic than traditional cigarettes EurekAlert! A ban on disposable vapes could have unexpected effects on how some young adults use nicotine. The new study, published in PLOS Global Public Health, explored how regular disposable vape users aged