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  1. Health & Medicine

    Scanning Risk: Whole-body CT exams may increase cancer

    Adults who routinely get whole-body CT scans without medical cause are exposing themselves to doses of radiation that may increase their risk of dying from cancer.

    By Diana Parsell

  2. Cancer Flip-Flop: Gene acts in both proliferation and control of growth

    Scientists have identified what might be a new class of cancer-controlling genes that alternates between halting and promoting cancer.

    By Christen Brownlee

  3. Cultured Readers: Chinese kids show new neural side of dyslexia

    Brain disturbances that underlie the inability to read a non-alphabetic script, such as Chinese, differ from those already implicated in the impaired reading of alphabetic systems, such as English.