Preexisting Bipolar Disorder Worsens Parkinson’s Problems

Preexisting Bipolar Disorder Worsens Parkinson’s Problems

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Preexisting Bipolar Disorder Worsens Parkinson’s Problems

A previous diagnosis of bipolar disorder negatively affects the course of Parkinson’s disease, and is associated with greater neuropsychiatric and cognitive problems, poorer treatment outcomes, and shorter survival, a study shows. Also, a greater proportion of Parkinson’s patients with preexisting bipolar disorder had a history of either condition in the family, compared with those without bipolar disorder. These findings suggest a genetic contribution to the development of both conditions, further supporting previous studies showing that…

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