83% of those who keep puffing away smoke an average 15 cigarettes daily
(Newser) -
It's been well documented how smoking wreaks havoc on your body, with tobacco use upping the risk for a variety of cancers—lung, bladder, esophagus, larynx, pancreas, and more—and causing almost one in five deaths in the US and 30% of all cancer deaths, according to the American...