Journal of Psychoactive Drugs
June 19, 2026
Carla J. Berg, Darcey M. Mccready, Cassidy R Loparco et al.
= 26.38, ~50% past-month cannabis use by design) completed an online survey. Multivariable regression assessed sociodemographics, mental health, and adverse childhood events (ACEs) in relation to: (1) past-year psychedelic use; and (2) among those reporting lifetime use: (a) lifetime microdosing and (b) use motives. Lifetime and past-year psychedelic use were 27.7% and 11.9% (commonly...
Journal of Studies on Alcohol and Drugs
May 28, 2026
Cassidy R Loparco, Matthew E Rossheim, Kayla K Tillett et al.
Retail sales of intoxicants, including derived intoxicating cannabis products (DICPs) such as delta-8 tetrahydrocannabinol (THC) and hallucinogenic mushrooms, have rapidly increased throughout the US, despite their sale being federally illegal. This study assessed DICP and hallucinogenic mushroom availability in US smoke shops with differing DICP and psilocybin laws. In May-October 2025, using...
Drug and Alcohol Dependence Reports
March 1, 2026
Jing-Jer Chen, Carla J. Berg, Y Tony Yang
1 citation
While interest in the therapeutic and recreational use of hallucinogens has increased, national surveillance often reports use in aggregate, potentially masking shifting trends among pharmacologically distinct substances. This study assessed trends in specific hallucinogens from 2021 to 2023 and identified correlates of use, with particular attention to subgroup patterns in populations commonly...
International Journal of Environmental Research and Public Health
February 17, 2026
Carla J. Berg, Cassidy R Loparco, Darcey M. Mccready et al.
1 citation
This study assessed the correlates of cannabis and psychedelic use and legalization support among young adults in the United States (US). Using 2025 data among adults ages 18–34 (n = 3227), we assessed cannabis and psychedelic message exposure and perceptions, mental health symptoms (Patient Health Questionnaire-4 [PHQ-4]), and adverse childhood experiences (ACEs) in relation to past-6-month...
AIDS Care
2025
Yan Wang, Carla J. Berg, Yeycy Donastorg et al.
2 citations
Female sex workers (FSW) living with HIV experience greater depression and worse HIV outcomes than people living with HIV (PLHIV) overall. Mindfulness is related to lower depression and higher ART adherence in PLHIV. Few studies have assessed these relationships among FSW, especially longitudinally. This study assessed the temporal relationship between mindfulness, mental health and HIV...