Health & Medicine

  1. Health & Medicine

    Vitamin relative may aid stroke repair

    Dehydroascorbic acid, a precursor of vitamin C, may help stroke patients retain use of parts of their brain at risk from the blood shut-off caused by strokes.

    By Nathan Seppa
  2. Health & Medicine

    Detecting cancer risk with a chip

    Researchers can use microcantilevers studded with antibodies that react to prostate specific antigen, or PSA, to analyze blood samples for signs of prostate cancer.

    By Nathan Seppa
  3. Health & Medicine

    EMFs in home may limit night hormone

    A pair of studies suggests a link, at least in some women, between elevated residential exposure to electromagnetic fields and reduced production of the hormone melatonin.

    By Ben Harder
  4. Health & Medicine

    Aging cells may promote tumors nearby

    Cells that enter a state called senescence in older individuals may stimulate nearby cells to become tumors.

    By John Travis
  5. Health & Medicine

    Chemical Neutralizes Anthrax Toxin

    Scientists have created a synthetic compound that, when tested in rats, disables the toxin that makes anthrax lethal.

    By Nathan Seppa
  6. Health & Medicine

    Oceans apart, but surgery succeeds

    A French group performed the first transatlantic operation when surgeons in New York controlled a robot in Strasbourg, France, which removed a woman's gall bladder.

    By Damaris Christensen
  7. Health & Medicine

    For a change, infection stymies HIV

    A hepatitis-like virus that causes no known diseases seems to help people stave off the progression of HIV, the AIDS virus.

    By Damaris Christensen
  8. Health & Medicine

    Acacia-tree extract fights cancer in mice

    Compounds called avicins extracted from Acacia victoriae, an Australian desert tree, inhibit inflammation and cancer in test-tube and mouse studies.

    By Nathan Seppa
  9. Health & Medicine

    Germs can survive weeks on fabrics, plastic

    Soft, dry surfaces in hospitals can harbor live germs for more than a month.

    By Janet Raloff
  10. Health & Medicine

    Blood vessels (sans blood) shape organs

    Even before they begin to carry blood, blood vessels provide signals that help spark the development of organs such as the liver.

    By John Travis
  11. Health & Medicine

    Alcohol on your breath need not be all bad

    Drugs such as insulin may be delivered by inhaling mists of medicine-containing alcohol.

    By John Travis
  12. Health & Medicine

    Drugs slow diabetes patients’ kidney damage

    Two drugs normally prescribed for high blood pressure help forestall kidney damage in people with type 2, or adult-onset, diabetes.

    By Nathan Seppa