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  1. Health & Medicine

    Growth hormone’s risks outweigh its benefits

    Human growth hormone has substantial risks and no functional benefits for healthy, elderly people.

    By Ben Harder
  2. Humans

    Letters from the July 15, 2006, issue of Science News

    People want to know “Sharing the Health: Cells from unusual mice make others cancerfree” (SN: 5/13/06, p. 292) reported that years ago it was discovered that certain male mice eradicate cancer cells and that white blood cells from these mice make normal mice cancer resistant. It also reported that it is superpremature to look forward […]

    By Science News
  3. Earth

    Asbestos fibers: Barking up a tree

    Sixteen years after a mine with asbestos-contaminated ore shut down, trees in the area still hold hazardous concentrations of wind-deposited asbestos.