Bipolar I disorder (also referred to as BD-I or type one bipolar disorder) is a type of bipolar spectrum disorder characterized by the occurrence of at least one manic episode. Symptoms of bipolar I disorder typically begin at age 15–25 years of age, with depression being the most common initial symptom.
Bipolar I disorder (also referred to as BD-I or type one bipolar disorder) is a type of bipolar spectrum disorder characterized by the occurrence of at least one manic episode. Symptoms of bipolar I disorder typically begin at age 15–25 years of age, with depression being the most common initial symptom.
Source: Wikipedia "Bipolar I disorder" · CC BY-SA 4.0
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