Anti-Depressants Work Only in Patients With the Most Severe Cases of Depression

British scientists have reported the results of their research regarding the efficacy of some of the most popular anti-depressant drugs. The conclusion was surprising to many: anti-depressants are really only effective in the most severely depressed patients, with most patients experiencing placebo effect only.
The ramifications of this study could be far-reaching. Are anti-depressants really effective? [...]