Changing how the brain uses the chemical serotonin can cause
unexpected, sporadic death—at least in mice, an Italian team reports in the
July 3 Science.
A SURPRISE DIP This image shows the dark mass of a brainstem in an abnormal mouse. Graphs showing sudden dips in the mouse’s body temperature and heart rate, similar to what occurs with Sudden Infant Death Syndrome, are printed over the brainstem.
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