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Neurochemical Factors in Bipolar Disorder. Bipolar disorder is primarily a biological disorder that occurs in a specific area of the brain and is due to the dysfunction of certain neurotransmitters, or chemical messengers, in the brain.nvironmental Factors in Bipolar Disorder. 1  A life event may trigger a mood episode in a person with a genetic disposition for bipolar disorder. 2  Even without clear genetic factors, altered health habits, alcohol or drug abuse, or hormonal problems can trigger an episode.
UCSD Researchers Identify Gene Involved In Bipolar Disorder. FULL STORY. Researchers at the University of California, San Diego (UCSD) School of Medicine have identified a specific gene that causes bipolar disorder in a subset of patients who suffer from this debilitating psychiatric illness. Share: