Bipolar disorders


Disorders in which there is unpredictable swings of mood from mania or hypomania to depression or vice versa. It has a strong genetic predisposition with multiple genes being involved.  There is strong evidence for gene loci on chromosomes  4p , 4q, 5q, 8p, 18p, 18q and 21q. There are several theories as to its origin or cause, the oldest being the dopamine theory involving dopamine levels in the brain.





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Creator:  Oluwole Ogunranti

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