By LAURAN NEERGAARD
Think the occasional cigarette won't hurt? Even a bit of social smoking — or inhaling someone else's secondhand smoke — could be enough to block your arteries and trigger a heart attack, says the newest surgeon general's report on the killer the nation just can't kick.
Lung cancer is what people usually fear from smoking, and yes, that can take years to strike. But Thursday's report says there's no doubt that tobacco smoke begins poisoning immediately. | Chron.com
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