Uncategorized

  1. Health & Medicine

    Viagra eases lung pressure in patients

    Viagra eases increased blood pressure in the lungs, a condition that affects about one-third of adults with sickle-cell disease.

    By Nathan Seppa
  2. Health & Medicine

    Taking on a lethal blood cancer

    A drug called bortezomib can induce remission of an aggressive kind of non-Hodgkin's lymphoma.

    By Nathan Seppa
  3. Humans

    Tobacco treaty on its way

    An international tobacco-control treaty will go into effect on Feb. 28, 2005.

    By Janet Raloff
  4. Animals

    Paper wasps object to dishonest face spots

    Female wasps with dishonest faces, created by researchers who altered the wasps' natural status spots, have to cope with extra aggression.