Electronic cigarettes and youth: a gateway that must be shut
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منابع مشابه
Electronic cigarettes and youth: a gateway that must be shut.
Anew study by Khoury and colleagues 1 reports that 10% of a representative cohort of grade 9 students in Ontario had tried electronic cigarettes (e-cigarettes). This finding is likely an underestimate of rates across Canada: a 2013 study found substantial interprovincial variation in e-cigarette initiation among youth, with rates in Quebec double those in Ontario.2 Khoury and colleagues found t...
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Electronic cigarettes have become popular and are heavily promoted as a safer cigarette and an aid to quit smoking. Although they may have value in reducing cigarette use among smokers, they are of limited value in smoking cessation and pose many problems, particularly in children. Nicotine is highly addictive and affects virtually all cells in the body. It is particularly harmful to developing...
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We exhibit a polynomial time computable plane curve Γ that has finite length, does not intersect itself, and is smooth except at one endpoint, but has the following property. For every computable parametrization f of Γ and every positive integer n, there is some positive-length subcurve of Γ that f retraces at least n times. In contrast, every computable curve of finite length that does not int...
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Conner et al and Best et al report the results of two longitudinal studies of teenagers in the UK that examined the relationship between vaping an e-cigarette and smoking a cigarette. Similar to studies conducted in the USA, 4 they both report an association between experimentation with vaping and subsequent experimentation with smoking. Fears that an increase in vaping will lead to an increase...
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ژورنال
عنوان ژورنال: Canadian Medical Association Journal
سال: 2016
ISSN: 0820-3946,1488-2329
DOI: 10.1503/cmaj.160728