“…Psychedelics, such as psilocybin, have received increasing attention over the past 2 decades as potential treatments for a variety of medical conditions, including depression, anxiety disorders, chronic pain, and migraine and cluster headache. [1][2][3][4][5] This is undoubtedly a result of several factors, including promising results of early clinical trials, generally modest efficacy of existing treatments for these conditions, and provocative reports in the popular press. Despite this enthusiasm, critically important questions about psychedelics remain unanswered, especially confirmation of efficacy and safety in phase III trials as well as mechanisms of action, appropriate contexts of use, and methodologic challenges, including blinding integrity.…”