While the Food and Drug Administration (FDA) has come under fire for not taking fast action against e-cigarettes, it has also received scrutiny for not prioritizing research to show how vaping products may reduce smoking-related deaths.
About 2,290 cases of e-cigarette use related to a vaping illness caused by products containing illicit THC and vitamin E have been reported to the CDC as of Nov. 20 in what many are calling a vaping epidemic. So far in 2019, 47 deaths have been confirmed as of Nov. 20, data from the Centers for Disease Control and Prevention (CDC) shows.
Tobacco, however, remains the No. 1 leading cause of preventable death in the U.S., killing nearly 480,000 people annually, according to the anti-tobacco campaign Tobacco-Free Kids.
https://www.foxbusiness.com/lifestyle/fda-e-cigarettes-reduce-smoking