Also, women are falling behind in quitting smoking versus men. The cancer risk smokers face depends upon the extent of their habit and how long they've smoked, he said. Researchers at M.D. Anderson proved in 1996 that genetic abnormalities also contribute to risk in patients independent of their smoking habits. About half of lung cancer patients die from cardiovascular problems related to smoking, Ruud said. About half die from different cancers smoking causes.
Smoking causes cancers of the lungs, pancreas, bladder, skin, mouth and throat.
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