One Psychologist On What Causes Seasonal Affective Disorder, And How To Treat It

About 5 percent of people in the U.S. suffer from seasonal affective disorder, a form of clinical depression brought on, most often, by the change of seasons. Many more may experience a mild form of the disorder.

Here & Now‘s Jeremy Hobson speaks with Kelly Rohan, a professor of psychology at the University of Vermont who researches seasonal affective disorder, about the causes and ways to treat it.

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