Compiled by Charlotte Haigh. Photographs Plain Picture
LANCE WORKMAN is an evolutionary psychologist with a special interest in seasonal affective disorder; he is visiting professor of psychology at the University of South Wales
SAD is an affective disorder – which means it causes problems with mood and emotion. With this condition, it’s the seasons that cause the changes. Contrary to popular belief, it’s not just winter that affects mood in people with SAD – you may also feel quite high in summer, possibly too excitable to sleep for nights at a time. In winter, you will feel low in a lethargic way, with fatigue, increased craving for carbohydrates and a desire to be left alone. It’s the contrast between moods in summer and winter that leads to a diagnosis – feeling down in winter isn’t enough on its own. There is, in fact, some debate over whether SAD is a form of bipolar disorder that’s seasonally adjusted, but the jury’s still out on that.
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October/November 2017
 
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