Since the introduction of E-Cigarettes(E-cigs) in 2007, their sales have almost increased by 14 - fold in the last decade. In the US, the E-Cig users increased to 3.8% of… Click to show full abstract
Since the introduction of E-Cigarettes(E-cigs) in 2007, their sales have almost increased by 14 - fold in the last decade. In the US, the E-Cig users increased to 3.8% of the adult population of which 16% are current smokers and 22% are former smokers. E-cigs have been advertised as a safer
               
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