On February 6, 2020, the US Food and Drug Administration banned the sale of many flavored e-cigarettes, with some important exceptions
When there is an absence of evidence to provide confidence that there is benefit from implementing a new prevention service or when a conclusion of possible benefit requires a high level of speculation on linkages of uncertain evidence, but there is high certainty that some patients would be harmed or scarce health care resources expended, the task force may make a strong recommendation against service implementation
Discussion This study will be the first large-scale randomized clinical trial to evaluate the effect of potential policies prohibiting menthol flavor in cigarettes, e-cigarettes, or both products among adults who currently smoke menthol cigarettes
Although sales are prohibited nationwide, vapes remain widely available through: Unregulated street vendors Smoke shops operating in a legal grey zone Online Telegram/WhatsApp sellers Because the market is unofficial, product quality and safety vary significantly
Heterocyclic amine intake, smoking, cytochrome P450 1A2 and N-acetylation phenotypes, and risk of colorectal adenoma in a multiethnic population
