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  1. Health & Medicine

    Patches take sting out of canker sores

    Small patches that exude licorice extract can speed healing of canker sores.

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  2. 19814

    This study on canker sores compared an “untreated” group with a group using licorice patches. A more valid comparison would be for the control group to be treated with patches that contained no licorice. Janet McClureCardiff, Calif.

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  3. Earth

    On the move

    A new study suggests how prions, the infectious agents that cause such disorders as chronic wasting disease, behave in soil and landfills.

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  4. Earth

    New solutions for unused drugs

    Pharmacists and federal scientists have launched a program to discourage consumers from flushing unused prescription drugs down the toilet.