World Psychiatry
June 1, 2026
Christina Chwyl, Michael S. Ladka, Joshua C. Black et al.
Prevalence and predictors of sexual and physical violence during psychedelic use in a US population-based study.
Journal of Psychoactive Drugs
March 16, 2026
Faith E Lyons, Karilynn M Rockhill, Evelyn J Fox et al.
Expanding regulation and increased use of psychedelic substances requires surveillance of behaviors and health outcomes in the United States. Widely comprehendible terminology is important for surveys. The objective of this study was to determine what psychedelic terminology is preferred among adults who used a psychedelic in the past 12 months. A cross-sectional survey measuring psychedelic...
Annals of emergency medicine
June 30, 2025
Joshua C. Black, Karilynn M Rockhill, Evelyn J Fox et al.
4 citations
Oregon and Colorado have legalized possession of natural psychedelic drugs. We assessed if travel to use psychedelics in decriminalized states is occurring and compared the use patterns of travelers with nontravelers. The National Survey Investigating Hallucinogen Trends is a cross-sectional behavioral survey fielded from April to June 2024 to every US state. The survey asks whether individuals...
International Journal of Mental Health and Addiction
April 1, 2025
Joshua C. Black, Nicole Schow, Hannah L. Burkett et al.
3 citations
Psychedelic-assisted therapy could transform treating psychiatric illness, but harms from exacerbating substance use disorder (SUD) among adults with psychiatric illness using psychedelics have not been studied. A cross-sectional survey in the US was used to test whether Drug Abuse Screening Test scores (DAST-10, validated instrument predicting SUD) were more severe when psychiatric illnesses...
Annals of emergency medicine
December 1, 2024
Mark W Simon, Heather A Olsen, Christopher O Hoyte et al.
12 citations
Psychedelic substances use is increasing in the United States (US). The approval of new psychedelic drugs and legalization of natural psychedelic substances will likely further increase exposures and subsequent adverse events. The study objective is to describe the clinical effects, therapies, and medical outcomes of patients with psychedelic exposures reported to US poison centers. We...
Clinical toxicology (Philadelphia, Pa.)
August 1, 2024
Richard C. Dart
9 citations
Recent decades have witnessed an extraordinary global crisis of drug misuse. Although opioid analgesics receive the most attention, numerous other drugs have increased rates of misuse. Ketamine and esketamine offer a unique natural experiment to explore two medications that are similar pharmacologically but differ in their availability to users and in their regulation by government agencies....
Nature Mental Health
May 1, 2024
Joshua C. Black, Andrew A. Monte, Nabarun Dasgupta et al.
5 citations
The encouraging results of late-phase clinical trials investigating psychedelic-assisted psychotherapy suggests that US Food and Drug Administration approval and subsequent expansion of use is imminent in the USA. Without fit-for-purpose postmarket surveillance to proactively monitor utilization by patients and providers, there is a risk that the real-world benefits of psychedelic-assisted...