Upcoming Events
Walking Tour of Harvard’s Psychedelic History
March 26; April 9; May 7 2025
5:00pm-7:00pm
42 Francis Ave
Hosted by the Center for the Study of World Religions
While research on psychedelics is ever present in our contemporary moment, there is a long tradition of interest in psychoactive drugs at Harvard University—from the ethnobotanical studies of the 1940s, to “mind-control” experiments of the 1950s, to the “heyday” of psychedelic research and activism of the 1960s. This walking tour traipses through the history of psychedelics at Harvard—stitching together figures as far back as Ralph Waldo Emerson, to little-known heroes of ‘60s drug culture, to contemporary felons, fugitives, and academics.
Featured News

Psychedelics for Healing
Harvard Magazine
Harvard’s I. Glenn Cohen on the use of “magic mushrooms” and other psychedelics in medicine, by Olivia Farrar.
Recent Research
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Separation of Drug Scheduling Powers
Mason Marks, Yale Law Journal Forum Petrie-Flom Center Senior Fellow Mason Marks writes how drug scheduling places substances believed to be harmful and addictive under strict federal control. In 1970, Congress enacted the Controlled Substances Act (CSA), which split drug scheduling authority between executive departments to leverage their specialized expertise. Today, the CSA grants the…
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Psychedelic Medicine Exceptionalism
I. Glenn Cohen and Mason Marks, The American Journal of Bioethics Research on psychedelic medicines is experiencing a revival. Some clinicians, scientists, and ethicists believe that psychedelics are so different from other treatments that they warrant special consideration in how they are researched, regulated, commercialized, and administered. Others argue that psychedelic medicines show clinical potential,…
Latest News

What Western medicine can learn from the ancient history of psychedelics
David Cox explores what the long history of psychedelics, drawing from traditions in the Americas and Europe, could teach contemporary medical interest in these substances. Featuring CSWR Postdoctoral Fellow Osiris González Romero on Mesoamerican histories of psilocybin mushrooms.

Introducing Petrie-Flom’s POPLAR and PULSE Affiliated Researchers on Psychedelics
The Petrie-Flom Center is excited to announce our affiliated researchers for the Project on Psychedelics Law and Regulation (POPLAR) and our new project, Psychedelic Use, Law, and Spiritual Experience (PULSE). Through research, writing, workshops, and other projects, POPLAR and PULSE affiliated researchers will provide expertise and a range of perspectives on psychedelics law and policy. We look forward to learning from them and sharing their insights with our audiences.

Front of mind for Michael Pollan: psychedelics
What is unique to the new Harvard project, Pollan stressed, is its integration of expertise from the Divinity School and Law School as well as disciplines from across the Faculty of Arts and Sciences. Scholars at the University of California, Berkeley, will also contribute. This diversity of thought will enable researchers to pursue nonclinical applications including those in the religious realm.
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