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Seasonal Affective Disorder: How light therapy can help fight the winter blues

Seasonal Affective Disorder (SAD) is a mood disorder provoked by reduced daylight hours during autumn and winter. SAD is considered a seasonal type of depression characterized by irritability, oversleeping, increased tiredness, changes in appetite, and reduced motivation to participate in social activities. Countries closest to the equator report almost no incidences of SAD, whereas extreme… Keep Reading

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