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.
Research Square
May 19, 2026
Sunjuri Sun, Claudia Hanson, Peter S. Hendricks et al.
As the cultural, scientific, and legal landscape surrounding psychedelics continues to shift toward greater access and acceptability, it is likely that increasing numbers of women of reproductive age may be exposed to these substances. Despite this, the evidence on antenatal exposure has not been systematically reviewed. To synthesize the human literature on child and maternal outcomes...
Journal of Medical Internet Research
April 27, 2026
Karilynn M Rockhill, Elizabeth A Bemis, Nicole Schow et al.
2 citations
Mainstays of pharmacoepidemiology are large, representative, behavioral surveys, which focus on many drugs with few detailed behaviors. Smaller, targeted studies measure drug-specific patterns but without explicit generalizability assumptions; the evidence generated is narrow. In this cross-sectional survey study, we outline an estimation framework based on data fusion and combine two surveys:...
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...
American Journal of Public Health
May 1, 2025
Karilynn M Rockhill, Joshua C. Black, Janetta Iwanicki et al.
17 citations
Objectives. To characterize present-day polysubstance use patterns in the general adult population. Methods. From a 2022 nationally representative survey in the United States, we defined polysubstance use as last 12-month use of 2 or more drugs (n = 15 800). Latent class analyses included medical (as indicated) and nonmedical (not as directed) use of prescription opioids, stimulants,...
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...