People with the disorder may have an onset of an episode in association with emotional and physical stresses, a lack of sleep, the loss of an important relationship, or drug and alcohol use, changes in routine or excessive stimulation may predispose to a manic episode.
Research shows that genes play a strong role, according to twin and other family studies [7]. This means that if you have a close relative with bipolar disorder your chances of having it are higher than they would be otherwise. Additionally, older age of either a mother or father at birth can increase the risk of bipolar disorder [8]. People with the disorder may have an onset of an episode in association with emotional and physical stresses, a lack of sleep, the loss of an important relationship, or drug and alcohol use. Changes in routine or excessive stimulation may predispose to a manic episode. Certain environmental risk factors are known to be associated with bipolar disorder, as childhood adversity [14], which, unfortunately, is also associated with more severe illness and less favourable treatment [15]. recent brain scan research in understanding differences in brain functioning that may accompany bipolar there is no laboratory test, x-ray or brain scan that can be used to make a definitive diagnosis yet. Instead, a physician (usually a takes a careful and bases diagnosis on a group of symptoms that occur together.