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  1. Health & Medicine

    Ulcer bug may prevent asthma

    Children whose stomachs carry the bacterium Helicobacter pylori are at lower risk for asthma than children who don't have the bug.

    By Brian Vastag

  2. 19893

    “Antibiotics in infancy tied to asthma” (SN: 7/7/07, p. 14) reported a correlation but no confident explanation for the relationship between receiving antibiotics and later developing asthma. This article, which reports that children with Helicobacter pylori in their stomachs are less likely to get asthma, seems to offer a convincing answer. Virginia BrockRock Island, Ill.

    By Science News
  3. Humans

    Math clubs get national sponsor

    A math group is offering all U.S. middle schools free materials to set up clubs aimed at making math fun.