Regulate does not equal approve.
https://www.fda.gov/consumers/consum...y-fda-approved
"FDA doesn’t approve tobacco products. There’s no such thing as a safe tobacco product, so FDA’s safe and effective standard for evaluating medical products is not appropriate for tobacco products. Instead, FDA regulates tobacco products based on a public health standard that considers the product’s risks to the population as a whole."
https://www.usatoday.com/story/news/...es/5618306001/