A recent article in The Zeit explores the evidence for the serotonin hypothesis of depression including an interview with Stefan Borgwardt. Specifically, it critically examines the evidence provided by a recent overview article questioning serotonin as a crucial neurotransmitter in the etiology of depression. However, as professor Borgwardt stated, for complex disorders such as depression, claims attributing symptoms to only one neurotransmitter are outdated. Instead, a bio-psycho-social model would serve as a better explanation.
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