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Today's Top Medical Stories for Tuesday, December 10, 2013

There's a new warning about a scan used for diagnosing lung cancer.
Researchers at Duke University say using  low dose CT scans to screen for lung cancer may be over-diagnosing the disease. They looked at more than one-thousand cases and found more than 18 percent were over-diagnosed. Scientists say over-diagnosis can lead to additional costs, anxiety, and complications from unnecessary treatment.
(source: JAMA Internal Medicine)
Researchers at Washington State University say organic milk has much higher levels of heart-healthy fatty acids compared to non-organic milk.  In the first large-scale test of its kind, scientists looked at about 400 different types of milk over a year and a half. They found conventional milk has higher levels of the bad fatty-acids that can cause heart disease and cancer.
(source: Washington State University)

A new study published by the American Heart Association says 3 popular methods used to quit smoking do not increase the risk of heart attack or strokes.  After a study involving more than 30-thousand people, scientists concluded that nicotine gums, patches, and drugs like Chantix do not have serious cardiovascular risks - which had been a concern.
(source: American Heart Association journal, Circulation)

(Alison Harmelin for CBS News)

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