Like many, you may have been unwittingly seduced by the relaxed public health stance to vaping, the case being built (or afforded protection from scrutiny) on the basis of the lack of tar and carbon monoxide. Let’s look at this from another angle, though. E cigarettes are addictive and include components with properties that, were they marketed as a new drug would never be licensed: pro-inflammatory and proteomic effects on the airway; increased bacterial adherence; hypersensitivity, the list goes on. In combination these are as destructive as ‘old fashioned’ tobacco in terms of production of emphysema in a murine model.
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