Juliette Massey-Smith wrote in the following query: I was wondering if you could help… I was re-reading about SAD in your AQA textbook and read on p.4 that in winter melatonin and serotonin are higher and this causes depression, but then also that LACK of serotonin causes it… What am I missing? This error was corrected […]
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The general view is that low levels of the neurotransmitter serotonin are linked with depression. However a number of studies have found, not surprisingly, that the relationship is more complex than that according to a recent review by Geddes in the New Scientist (July 2010). Increased levels of serotonin in some regions of the brain […]
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