Nonsmokers with cancer baffle experts
There are about 180,000 cases of lung cancer a year and 150,000 deaths, said Dr. Peter B. Bach, pulmonologist and epidemiologist at Sloan-Kettering in New York. If 80 percent or so stem from smoking, that leaves about 36,000 cases and 30,000 deaths a year that are not related to smoking.
"That puts nonsmoking-related lung cancer in the same league with colorectal, prostate and breast cancer,” Bach said. "If we wiped out smoking, lung cancer would still be the No. 3 cancer kille
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