You may find such research as well as a documentary on the matter of D.M.T. which is a drug referred to as The Spirit Molecule in the book and film D.M.T.: The Spirit Molecule. Touching on the spiritual implications of the the drug. In the line of research it was also mentioned that the drug D.M.T. could have benefits in medical treatment. This type of research on the drug and its effects was undertaken by Rick J. Strassman, ending in 1995. Ayahuasca contains the active D.M.T. compound but is not widely approved for use as an addiction treatment medication. This tea is a form of the drug with longer lasting effects than smoking it, ceremonially administered by indigenous tribes for religious purposes contains the active D.M.T. compound. However, some types of treatment in dealing with harder drug addictions include gradually minimizing drug consumption, not only can this be done with psychedelics but other drugs as well. In a case from 2011, a Canadian doctor who treated patients with the medication was consequently threatened with prosecution and ordered to desist from using the herbal medicine, despite his good results. However, Ayahuasca is used as an addiction treatment medication in Peru in accordance with law.