Mood disorders have been associated with abnormal levels of the neurotransmitters

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Studies have shown that mood disorders such as depression and bipolar disorder are associated with abnormal levels of the neurotransmitters serotonin and norepinephrine in the brain. These neurotransmitters are involved in the regulation of mood, appetite, and sleep, and imbalances in their levels can lead to symptoms of anxiety and depression. Other neurotransmitters such as dopamine and GABA may also play a role in mood disorders, but their exact contributions are still being studied.

Mood Disorders Have Been Associated with Abnormal Levels of the Neurotransmitters