It was one of the most sweeping actions the FDA has taken against vaping products in recent years.
And studies have linked e-cigarette use to increased odds of asthma and chronic obstructive pulmonary disease (COPD).
Still, more than 2 million U.S. youth currently use e-cigarettes.

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Many students also cite feeling anxious, stressed, or depressed as reasons for using e-cigarettes.
The FDA has been making bold attempts to reduce nicotine use and addiction.
However, regulators are concerned that these products have harmful chemicals that are not yet well-researched.
Prochaska JJ, Vogel EA, Benowitz N.Nicotine delivery and cigarette equivalents from vaping a JUULpod.Tob Control.
2019;19(1):180. doi:10.1186/s12890-019-0950-3