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What causes mood disorders?

Just as certain organs or systems can malfunction in the body, sometimes the mechanics of the brain break down and fail to perform optimally. Most often what causes this is an imbalance in the neurotransmitters, substances that help messages pass from neuron to neuron in the brain. If inadequate levels of neurotransmitters exist or if the different types of neurotransmitters are imbalanced, a person's moods and perceptions of reality can be affected.

Bipolar disorder (sometimes called manic depression) and clinical depression are two mood disorders that result from chemical imbalances.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.