Vapes are harmful and can be highly addictive. Some disposable vapes have nearly tripled in nicotine strength in the span of only 5 years. Trends in long term vaping among adults in England, 2013 23: population based study The BMJ Nicotine absorption from electronic cigarette use: comparison between first and new generation devices Scientific Reports Teens Are Still Vaping Flavors, Thanks To New Disposable Vape Pens KPBS Public Media