People with bipolar disorder have more than a three-fold increased risk of developing Parkinson disease later in life. A systematic review of the literature identified seven cohort and cross-sectional studies, with more than four million participants, comparing the likelihood of developing idiopathic PD in bipolar and non-bipolar populations. The meta-analysis found that a previous diagnosis ...
Bipolar disorder and Parkinson disease link
By Mardi Chapman
18 Oct 2019