Even nicotine-free vapes contain harmful chemicals and heavy metals and are not considered safe during pregnancy
doi:10.1007/s002130050422 pmid:9399364 Gulcsi A, Lee CR, Sk A, Viitanen T, Kaila K, Tepper JM, Freund TF (2003) Cell type-specific differences in chloride-regulatory mechanisms and GABA(A) receptor-mediated inhibition in rat substantia nigra
PMID 21605492
Rather they were crafted to evoke a strong emotional response calculated to provoke the viewer to quit or never start smoking. Leon also lit into Congress for failing to consider the First Amendment implications of this legislation. The images that made Big Tobacco gasp included a man holding a cigarette as smoke billows from a tracheotomy hole in his throat, a child breathing in second-hand smoke, blackened lungs and a corpse with an autopsy scar on its chest
They analyzed the risks associated with smoking one, five, or 20 cigarettes per day, taking into account age, sex, and other possible confounding factors