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  1. Health & Medicine

    Vitamin E targets dangerous inflammation

    Megadoses of vitamin E may reduce the risk of heart disease in people with diabetes and other conditions that produce chronic, low-grade inflammation.

    By Janet Raloff
  2. Health & Medicine

    New test may spot colon cancer early

    An experimental test for colon cancer may detect the disease at a treatable stage more accurately than current, noninvasive screening techniques.

    By Laura Sivitz
  3. Health & Medicine

    Malaria vaccine waylays parasite in liver

    A new malaria vaccine tested in chimpanzees spurs an immune response against the parasite as it passes through the liver, halting it in most cases before it can get into the bloodstream and cause symptoms of the disease.