do cigarettes really have 7000 chemicals in Cigarettes: From Plant to Product to Puff Chemicals in Cigarettes and Tobacco:

Researcher Steve Lee, an associate professor of psychology at UCLA and lead author of the 2013 meta-analysis agrees: "I have little doubt that stimulant medication is being prescribed without careful diagnostic procedures and that's a significant problem." "But it's also the case that in some communities children, and probably some adults, who could respond therapeutically and safely are being underprescribed and not getting the treatment they need," he says.

It's gotta be some external factor because I have 3 blue keyboards, the oldest of which I've been using for 4 years now, and I haven't encountered any problems

More than 85% of total LC deaths were occurred in males

Vaping, which is the term used for the smoking of e-cigs is fast finding an increasing number of takers, for this reason, these days