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.

According to the press release: "Do not smoke and do not allow yourself to be exposed to smoke because second-hand smoke and third-hand smoke are just as deadly as first-hand smoke, says a scientist at the University of California, Riverside who, along with colleagues, conducted the first animal study of the effects of third-hand smoke."

One thing that is true is that there are no cardiovascular benefits to smoking reduction. The reason for this is that the adverse cardiovascular effects of smoking saturate at a low level of exposure. However, with carcinogenic effects as well as lung disease, there is a well-recognized dose-response relationship between exposure and disease risk. Therefore, substantial smoking reduction has no cardiovascular benefit but it does lower lung cancer risk and respiratory morbidity.

In other words, despite acknowledging that they cannot tell from their study whether e-cigarette use precedes smoking or whether smoking precedes e-cigarette use, they nonetheless draw the conclusion that e-cigarette use precedes smoking.

"In terms of acute effects on respiratory function, active smoking is exactly equivalent to the effects of taking a math test."

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