A dozen western New York high school girls have developed involuntary tics and other symptoms, and a doctor says at least 10 of them are suffering from a psychological condition usually brought on by stress or a frightening condition.
Parents became concerned there might have been environmental contamination or an infection at LeRoy High School when the girls all started showing symptoms like unexplained pain and involuntary muscle motion last fall.
But tests ruled out problems at the school, and a neurologist treating 10 of the girls says Friday that the cause is conversion disorder.
Conversion disorder is treated with psychotherapy, behavioral changes and medications.
Dr. Laszlo Mechtler says most of the girls are getting better, but what's unusual is the grouping of cases -- known as a "mass psychogenic illness."
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