The latest trend in smoking has been Electronic cigarettes. They have been promoted as a much safer alternative to smoking regular cigarettes. But of course, there’s the old saying that starts out, if it’s too good to be true…It turns out the Harvard School of Public Health decided to do a study on Electronic cigarettes and the results are startling. It looks as if ecigs may not pose the traditional cigarette threat, but they pose a different one altogether. Diacetyl is a flavoring chemical used in Ecigs which are linked to cases of severe respiratory disease, most notably the incurable condition called “Popcorn Lung”..