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What are electronic cigarettes?

Some electronic cigarettes (or e-cigarettes) look like regular cigarettes or cigars; others look like boxes or tubes and do not resemble regular cigarettes at all. E-cigarettes are battery powered and work by vaporizing a solution of propylene glycol and/or vegetable glycerin, flavoring and water. (The solution is often referred to as “e-liquid” and usually includes nicotine, but that is optional.)  The …

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Are they as safe as using smokeless tobacco?

Maybe. We cannot be as certain of their safety range as we are with smokeless tobacco (ST) simply because they are so new. With smokeless tobacco, we have evidence from decades and decades of use by many different populations. Evidence that comes only from examining substance effects on cells in laboratories, measuring constituents in blood or urine, or its effects …

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Are they really safer than regular cigarettes?

Yes. Though we are uncertain as to how safe they are, we are fairly sure that they are safer than smoking cigarettes. Part of our certainty derives from knowing how harmful regular smoking is. Almost anything is certain to be safer. Almost anything else that is not acutely toxic (and we know that e-cigs are not) will be safer. Even …

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