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Simple Blood Test May Detect Early Breast Cancer

A simple blood test that detects a form of the metal zinc soon may become available to diagnose breast cancer at its earliest and most treatable stages. Researchers at Oxford University in Britain found that breast tumors absorb a "light" form of zinc, meaning that a "heavy" form of the metal might be detectable in higher concentrations in the blood of people with early cancers. To measure how the human body processes zinc, the researchers adapted techniques normally...

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