dangers of swallowing chewing tobacco DVIDS - News Truth behind what actually happens

A recent study by the Harvard School of Public Health claims that 75% of flavoured e-cigarettes contain diacetyl, a flavouring chemical linked to cases of severe respiratory disease including pop-corn lung"

More isolated, sort of

The Ciro was so commercially insignificant that RJR stopped appealing an FDA marketing denial order (MDO) for Ciro menthol refillsa fact the agency was fully aware of when it created its list

Surgeon Generals Report on Smoking and Health the landmark report linking smoking to lung cancer and other fatal diseasesthe industry was preparing to fight back

Its possible that they think their habit isnt hurting anyone