
The American Supreme Court upheld the FDA's decision to reject applications from manufacturers of flavored e-cigarette liquids, citing the need to protect public health under the 2009 Family Smoking Prevention and Tobacco Control Act. E-cigarettes, popular among middle and high school students, contain addictive nicotine and harmful chemicals posing significant health risks including toxicity and lung injury.
source
https://timesofindia.indiatimes.com/life-style/health-fitness/why-are-e-cigarettes-bad-for-your-health/articleshow/119917460.cms