MS Polls: 67% of respondents believe that vaping is worse than smoking, some still unsure Vaping on the rise in U.S., especially among young people Pew Research Center There Are Now an Estimated 82 Million Vapers Worldwide Vaping: How popular are e cigarettes? Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Young people who vape are 3 times more likely to take up smoking cigarettes. Vaping can lead to lung damage and can be harmful for young brains, which are still developing until