Health & Medicine

  1. Health & Medicine

    A sticky problem solved

    Researchers have identified a protein integral to making blood clot, a finding they hope will lead to better drugs for preventing clots in people at risk of heart attack or stroke.

    By Damaris Christensen
  2. Health & Medicine

    Found: Mutation for deadly nerve disorder

    Two research teams have discovered the genetic mutation that causes familial dysautonomia, a lethal hereditary disease that causes nervous system damage.

    By Nathan Seppa
  3. Health & Medicine

    Radiation therapy keeps arteries clear

    Two new studies add to the growing evidence that radiation treatment may keep arteries open longer after angioplasty.

    By Linda Wang
  4. Health & Medicine

    Dietary stress may compromise bones

    Internal conflict about what and how much to eat not only induces production of a stress hormone but also may eventually weaken bones.

    By Janet Raloff
  5. Health & Medicine

    Raloxifene doesn’t hike breast density

    Estrogen-replacement therapy that includes estrogen increases breast-tissue density among postmenopausal women, but the estrogen-replacement drug raloxifene doesn’t.

    By Nathan Seppa
  6. 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 Nathan Seppa
  7. 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 Nathan Seppa
  8. Health & Medicine

    Mending a Broken Heart

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

    By Damaris Christensen
  9. 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 Nathan Seppa
  10. 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 Janet Raloff
  11. 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 Janet Raloff
  12. Health & Medicine

    Lupus in Depth

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    By Science News