health risks associated with tobacco use Tobacco's deadly toll: new research uncovers even greater dangers Cancer and Tobacco Use -

For people under the age of 25, nicotine has been proven to negatively affect brain development, leading to lasting cognitive and behavioral impairments, and negatively affecting focus, memory and learning. Another substance found in these products is formaldehyde

We took all the adolescents who first initiated e-cigarette use around the 2019 peak of youth vaping and followed them to see how their vaping behavior changed (or not) ~2 years later

Front Aging Neurosci 6:340 Belluardo N, Olsson PA, Mudo G, Sommer WH, Amato G, Fuxe K (2005) Transcription factor gene expression profiling after acute intermittent nicotine treatment in the rat cerebral cortex

Ann N Y Acad Sci 686:1227 discussion 27-8 Rahman MM, Laher I (2007) Structural and functional alteration of blood vessels caused by cigarette smoking: an overview of molecular mechanisms

No, you cant legally smoke a cigar at 18 anymore

Inhaling smoke is harmful no matter what type of tobacco is used