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Causes

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Seasonal depression, or seasonal affective disorder (SAD), is caused by a decrease in light in the winter months. SAD can also occur in the summer that manifests as hypomania due to the increase in light.

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There was a time when people spent most of their lives out of doors but today fewer than 10 percent of us see very much natural daylight, particularly during the winter months. Dark days, long nights and gloomy weather can result in a form of seasonal depression. Whether you call it the winter blues, winter depression or seasonal affective…

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Jerry Kennard, Health Pro, commented on Understanding Winter Seasonal Affective… Thanks for that advice, Judy. I'm guessing other people have their own…

11/17/12

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