Findings add weight to view that decreased serotonin response could play an important role in depression
Scientists claim to have found the first direct evidence that people with depression have a reduced capacity for releasing serotonin in the brain.
The findings from a brain-imaging study reignite a debate within psychiatry over the so-called serotonin hypothesis of depression and challenge the conclusions of an influential review published in July that found “no clear evidence” that low serotonin levels are responsible. The latest work, led by scientists at Imperial College London, suggested that people with depression have a decreased serotonin response.
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