I'm very interested in this stuff. See my submissions for other interesting articles on the potential of MDMA and classic psychedelics (magic mushrooms, LSD) to help both unwell and healthy people be happier & healthier: https://news.ycombinator.com/submitted?id=anythingnonidin
This site has an overview of where MDMA and classic psychedelics may be useful, and the most effective things you can do to help the science + safe access progress: http://www.rethinkpsychedelics.org/