The Economist took a deep plunge into mental health research for depression. The article is extremely interesting as it seems that the scientific community understands depression a bit more than before. Despite the lack of interest from the industry, old drugs like ketamine seem to be very useful in treating that disorder. In order to patent their invention, new drugs with the same benefits as ketamine are being developed by pharmaceuticals companies.
Even if we do not yet have a complete picture, we took a step in the right direction.