Vapes are harmful and can be highly addictive. Some disposable vapes have nearly tripled in nicotine strength in the span of only 5 years. JUUL: e cigarette dominates the marketand fears of parents Teens say they don't vape, they 'Juul.' That makes the activity hard to track Los Angeles Times Vaping may look harmless with fruity flavors and sleek devices, but it is more addictive and more damaging than smoking. More than 1.6 million teens are vaping, according to the Centers for Nicotine Free Vaping: Best Juul Alternatives HealthVape Top UK public health official advised vape giant Juul, documents reveal The Examination