Humans

  1. Health & Medicine

    Cocaine link to heart attack bolstered

    Regular cocaine use may account for one-fourth of nonfatal heart attacks in people under age 45.

    By
  2. Health & Medicine

    Gene mutation can spur autoimmunity

    A mutation of a gene on the X chromosome can lead to a dangerous autoimmune disorder and type I diabetes.

    By
  3. Health & Medicine

    Mending a Broken Heart

    Transplants of skeletal-muscle cells may help heal hearts damaged by illness or previous heart attacks.

    By
  4. Anthropology

    Gene, fossil data back diverse human roots

    Ancient mitochondrial DNA extracted from Homo sapiens fossils and anatomical links among H. sapiens crania from different regions both support a theory of geographically diverse human origins.

    By
  5. Health & Medicine

    Protein pair induces nerve repair in mice

    Mice genetically engineered to make two proteins normally active in early nerve development are able to regrow damaged nerve fibers somewhat in their central nervous systems.

    By
  6. Health & Medicine

    Do Meat and Dairy Harm Aging Bones?

    Two studies have contradictory findings about the impacts of animal protein on bones in elderly people.

    By
  7. Health & Medicine

    Vision: The risks of being too fat or too tall

    Excess weight or height can have a blinding impact, fostering the development of cataracts.

    By
  8. Health & Medicine

    Lupus in Depth

    The Lupus Foundation of America provides a comprehensive Web site about this autoimmune disease, which affects up to 1.5 million people in the United States. The site offers information on the kinds of lupus, causes, symptoms, testing, and treatment. Students and researchers may also find it useful to check detailed accounts of ongoing studies. Go […]

    By
  9. Health & Medicine

    Hope for Diabetes Cure

    By
  10. Psychology

    Democracy Threatened by Lack of Neighborliness

    By