A paper was published yesterday in Tobacco control estimating the cancer risk potency of electronic cigarettes. In my opinion, this was a good exercise but a premature one, mainly because for some strong carcinogens (such as 1,3-butadiene, which is considered the compound with the highest contribution to cancer risk from smoking) we have no data concerning e-cigarette emissions. However, I am convinced that, even when we have data, the estimated cancer risk from e-cigarette use will be less than 1% of the respective risk from smoking.
Read the entire article HERE.