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CN-Electric Stimulation of the Brain Alleviates Some Disorders

Modern medicine relies mainly on drugs to cure or alleviate disorders, but for some conditions doctors apply electrical stimulation. The pacemaker, for example, helps weak hearts maintain a steady beat. Scientists are now using electrical pulses in the brain to relieve symptoms of Parkinson's disease. As VOA's Greg Flakus reports from Houston, electrical stimulation may soon be used for a variety of other conditions.

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