If you smoke, you've likely heard the pleas from friends and family to quit.
You probably know that smoking makes heart
disease, stroke, cancer, emphysema, chronic bronchitis, and other killers more likely. You might
even know that smoking is the No. 1 cause of preventable death in the U.S. and
But knowing about long-term risks may not be enough to nudge you to quit,
especially if you're young. It can be hard to feel truly frightened by
illnesses that may strike decades later. And...