“Continued Monitoring and Regulation of Increasing Sales of High-Nicotine Concept Flavor E-Cigarettes in the U.S.”

https://pubmed.ncbi.nlm.nih.gov/38116272

The sales of concept flavor e-cigarettes in the U.S. have significantly increased from 2019 to 2022, with a recent decline in overall sales, and warrant continued monitoring and regulation, particularly for products with high nicotine concentration and non-tobacco flavors.