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The Science of Seasonal Affective Disorder
Why do so many of us feel the gloom set in when the clocks go back and the days get short? In this week’s podcast, Luke O’Neill delves into the biology of Seasonal Affective Disorder, or SAD, a form of depression that appears in winter and lifts again when the light returns.
First identified about fifty years ago in northern Europe, SAD affects around one in every hundred people severely, and up to one in five to a milder degree. Women are three times more likely to experience it than men. Geography plays a big part too: roughly 1% of people in Florida report symptoms, compared to 10% in…
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