The approach The proposed approach is based on answering the three questions formulated in the previous section through scientific evidence showing that a cMRTP aerosol has a significantly reduced effect on the discrete causal events that link smoking to disease compared with cigarette smoke [6]
E-cigarettes and cigars are left out of the bill because Dr Creagan believes they are significantly safer for smokers than regular cigarettes - although the National Cancer Institute warns that "all tobacco products are harmful and cause cancer"
Specifically, nicotine and its primary metabolite cotinine are metabolized by the uridine 5-diphospho-glucuronosyltransferase (UGT) superfamily enzymes: specifically UGT2B10 for nicotine and cotinine, and UGT2B7, UGT2B15, and UGT2B17 are responsible for metabolizing androgens
The agency is currently working on regulations for these products, which may include a ban on flavored e-cigarettes and restrictions on advertising the product
These exclusions usually exist because of fraud prevention, hygiene, resale integrity, hazardous-material rules, or manufacturer service-center restrictions
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