The ban on the sale of electronic cigarettes to minors is a critical aspect of the proposed regulations. If properly enforced, it will help keep these products out of the hands of minors. An additional benefit of this provision is that it will obviate the need for every city and town council in the nation to enact its own e-cigarettes sales restrictions.

6. Very few nonsmokers or long-term ex-smokers are using electronic cigarettes.

It shouldn't take a rocket toxicologist to figure out that electronic cigarettes - which contain no tobacco - have immense benefits over traditional tobacco products. It shouldn't take a rocket epidemiologist to figure out that eliminating almost all of the more than 10,000 chemicals and 60+ carcinogens in cigarettes is going to result in a safer product. And anyone who has read the numerous laboratory, toxicology, and clinical studies of electronic cigarettes and tobacco cigarettes should understand that vaping is much safer than smoking.

In other words, there appears to be strong evidence that in the UK, electronic cigarette use is not serving as a gateway by which nonsmokers are becoming addicted to nicotine and then progressing to real cigarette smoking.

Remember that I did not argue that a smoker switching from a non-filtered to a filtered cigarette brand will reduce her cancer risk. It may be that vigorous compensation offsets the impact of such a change. However, I do believe that the scientific evidence supports the contention that all else being equal, a lifelong smoker of non-filtered cigarettes faces a slightly higher cancer risk than a lifelong smoker of filtered cigarettes.

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