"“There’s so much we don’t yet know about e-cigarettes,” said Douglas Tipperman, M.S.W., a public health advisor at SAMHSA. “They are not harmless. We don’t know the health impact at the individual or the population level.”

The rest of the story is nicely summarized by Jacob Sullum in a Reason.com . He concludes:

Some knowledgeable analysts have predicted that if promoted, electronic cigarettes could actually replace nearly half of the combustible tobacco cigarette market. This would be the greatest public health achievement of my lifetime. Sadly, the American College of Chest Physicians and its partners do not want to see this happen. They would rather stick with the status quo, where smokers will continue to die in the millions each year, but at least they will not be taking any "unknown" risks.

Since nothing is known about the effects of third-hand smoke on wound healing, it seems very appropriate that this research team is going to investigate this research question using a mouse model to find out whether there are adverse effects of thirdhand smoke.

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