Bipolar patients are seven times more likely to develop Parkinson’s disease, according to a new study. Though the news may be disheartening to those suffering from the already-trying condition, the link might also lead to clues about the causes behind the two conditions.
Parkinson’s is a complex disease associated with a gradual decline in dopamine levels produced by neurons, or brain cells. It eventually leads to impaired movements and other bodily functions. The causes are unknown, and there is no cure.
Bipolar disorder, also known as manic-depressive illness, is characterized by episodic fluctuations in mood, concentration or energy levels. Its causes are also unknown, though some bipolar-associated genes have been identified. Researchers are still figuring out how brain structure and function changes under the disease.
Previous research has linked Parkinson’s with depression. So when the authors of the new study, most of whom are practicing physicians, noticed some of their ...
