By Dr. Brian McDonough, Medical Editor

PHILADELPHIA (CBS) – When people talk about Lyme disease they talk about issues like arthritis, but Lyme can do far more damage in other areas.

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For instance, as Lyme disease progresses, it can attack the nervous system producing learning disabilities, mood swings, anxiety and depression, panic attacks, obsessive behavior, sudden rages and other psychiatric diagnoses.

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The more we learn about this, the more we realize the complexity. For instance, a recent European study found that psychiatric in-patients are nearly twice as likely as the average population to test positive for Lyme, and the National Institutes of Health are currently sponsoring a major study of neuropsychiatric Lyme disease in an effort to illuminate specific changes in the brain.

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The term to describe this is psychiatric Lyme disease.