In 2008, a psychologist analyzed all the test data on drugs used for curing depression. He concluded that the extra benefit of the drug versus the placebo was not meaningful. He said this was for those with mild to moderate depression.
Kirsch, Irving. “Antidepressants and the Placebo Effect.” Zeitschrift Fur Psychologie 222.3 (2014): 128–134. PMC. Web. 6 Apr. 2017.
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