![The Entheogenic Evolution show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/046/874/small/the-entheogenic-evolution.jpg)
Summary: My conversation this week is with the president of the Heffter Research Institute, which designs studies with MDMA and Psilocybin, George Greer - www.heffter.org
Summary: My conversation this week is with the president of the Heffter Research Institute, which designs studies with MDMA and Psilocybin, George Greer - www.heffter.org