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  1. Health & Medicine

    The Science of Secretin

    The discovery that a gut hormone also exists in the brain may shed light on the origins of autism.

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  2. Health & Medicine

    Reducing blood pressure in the lungs

    A new drug seems to help reduce abnormally high blood pressure in the lungs, a condition that can trigger heart failure.

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  3. Health & Medicine

    Seizures and reproductive ills linked

    Abnormal electrical signaling in the brains of women with epilepsy may alter sex hormone cycling and explain why epileptic women seem to have a higher rate of reproductive disorders than do other women.

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  4. When ground squirrels cry badger

    Richardson's ground squirrels respond differently to alarm calls depending on whether the caller has a history of false alarms.