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[136] Tobacco-specific nitrosamines (TSNAs) such as nicotine-derived nitrosamine ketone (NNK) and N -Nitrosonornicotine (NNN) and tobacco-specific impurities have been found in the e-cigarette vapor at very low levels, [114] comparable to amounts found in nicotine replacement products

pointed out that due to the lack of toxicological data, only two chemical compounds, hydrogen cyanide and arsenic, could be perceived as substantial cardiovascular risk factors [21]

It is essential to distinguish the reasons for continuation and cessation of smoking in order to develop tailored interventions and appropriate counselling to pregnant women

10 Tom wrote on 28 May 2021: Glad you pointed out the dangers of nicotine
When a cigarette is not being dragged, the temperature drops considerably, making it harder to ignite

Asbestosis as a precursor of asbestos related lung cancer: Results of a prospective mortality study
