Hey buddy, in regards to dopamine, the only time I've felt normal in the last year or so was when I did a few lines of cocaine so I do agree there might be a usefulness for certain 'hard' drugs. What do you think of this:
http://www.ncbi.nlm.nih.gov/pubmed/27189960
http://www.ncbi.nlm.nih.gov/pubmed/27189960