Objective:Health: Is the Low Serotonin Model of Depression Finally Dying?

Last week, University College London researchers did a landmark review "The serotonin theory of depression: a systematic umbrella review of the evidence." The authors said they found 'no convincing evidence' of a link between low serotonin levels and depression. The popularity of the "chemical imbalance" theory has coincided with a huge increase in the use of antidepressants, one of the pharmaceutical industry's biggest cash cows. But for 30 years there have been many doctors and researchers...