• Consumer Health: What is seasonal affective disorder?

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What is seasonal affective disorder?
Seasonal affective disorder is a type of depression related to changes in seasons. For most people with seasonal affective disorder, symptoms start in the fall and continue into the winter months, sapping their energy and making them feel moody. Symptoms may start out mild and become more severe as the season progresses. Treatment can include light therapy, medications and psychotherapy. Learn more about the symptoms of seasonal affective disorder and whether treatment might be right for you.

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