What You Need to Know About Vaping American Heart Association Many youth try vaping, but daily use can harm their mental and physical health. Support them by: Talking + listening without judgment Sharing honest experiences Practicing ways your child How Much Nicotine is in a Vape? Compared to Cigarette A decade ago, the most frequent opinion among smokers was that vaping was less harmful than tobacco. But ten years on, the opposite is true: over a third say that vapes are