Emily Gavigan began exhibiting odd behavior when she was 19, which doctors mistook for a mental illness.

Emily Gavigan began exhibiting odd behavior when she was 19, which doctors mistook for a mental illness.

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Doctors Thought She Was Psychotic, But Her Body Was Attacking Her Brain

Emily Gavigan was convinced that a nearby truck was following her. Someone was after her. She was a sophomore at the University of Scranton in January 2009 when the "bizarre" behavior began, said her father, Bill.