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Study Finds Risk for Lung Cancer Varies Among Smokers

Smoking, the number one cause of preventable death in the United States, causes 130,000 lung cancer deaths each year. Many smokers are now considering screening with low-dose helical computed tomography (CT) scans in the hope of diagnosing the disease early. A new study that shows lung cancer risk varies widely among smokers may help individuals and their doctors decide if voluntary screening is appropriate for them.