bipolar causes

know what causes bipolar?
is like schizophrenia were not know the real cause or do not know what causes this, if so, what?
Basically a genetic predisposition and psycho-social event or events. In other words, if you have not inherited the genes, not succeed. The psycho-social is basically a traumatic event, the person was not fully equipped to handle. Keep in mind, this could be a difficult birth, a child temporarily be separated parent in a major airport, a teenager in a car accident. In other words, events to be stressful for anyone, but since there is a degree of fragility in the brain of the person are likely to have active disease. Although not all identical twins end up with bipolar disorder, 70% do.
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