The exact cause of the bipolar disorder is not fully understood, but it is believed to be a combination of genetic, biological, and environmental factors.
Research suggests that genetic factors may play a role in the development of the bipolar disorder.
Biological factors that have been linked to the bipolar disorder include abnormalities in brain function and structure, imbalances in neurotransmitters (chemical messengers in the brain), and disruptions in the body's circadian rhythms (internal body clock).
Environmental factors such as stress, trauma, and substance abuse also appear to play a role in the development of the bipolar disorder.
It is important to note that the causes of bipolar disorder are not fully understood, and it is likely that multiple factors are involved in the development of the disorder.