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Winter can be depressing!

CNN's Dr. Sanjay Gupta explains SAD - Seasonal Affective Disorder - including potential symptoms and treatment options

Fri Feb 14, 2014 @ 7:31:38 pm ET via CNN Video
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I’m a father of three, a practicing neurosurgeon, and a globe-trotting journalist. Join me as I go beyond the headlines, and offer insight to stories that shape the quality of life for you and your family. FULL BIO

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