Uncategorized

  1. Health & Medicine

    Pill boosts cancer risk in some women

    Women who took oral contraceptives before 1975, and whose mother or sister had breast cancer between 1944 and 1952, have triple the likelihood of getting breast cancer as compared with similar women who didn't take the pill.

    By Nathan Seppa
  2. Health & Medicine

    Interferon delays multiple sclerosis

    In some people who show early-warning signs of multiple sclerosis, the drug interferon-beta-1a seems to delay or even prevent the disease from becoming full-blown.

    By Nathan Seppa
  3. Archaeology

    Agriculture’s roots go tropical

    Tropical-forest dwellers in Central America may have cultivated manioc and other root crops as many as 7,000 years ago.