This preliminary test of a brief intervention designed to stimulate GP incorporation of cannabis enquiry was followed up after 2-3 months. Intervention comprised face-to-face discussion based on principles of motivational interviewing, with informational adjunct. Substantially more positive attitudes and greater clinical activity were observed following receipt of intervention.
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Addict Behav
December 2024
Department of Psychiatry, University of Missouri, USA.
Objective: Alcohol and cannabis are two of the most widely used substances in the United States, where sleep problems are also prominent. Although poor sleep is linked to substance use, little is known about how prior-night sleep contributes to next-day decisions to use substances in daily life. This study tested the impact of prior-night sleep duration and quality on momentary motives for alcohol (Aim 1) and cannabis use (Aim 2).
View Article and Find Full Text PDFPsychoneuroendocrinology
December 2024
Hotchkiss Brain Institute, Mathison Centre for Mental Health Research and Education, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada; Department of Cell Biology and Anatomy & Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada. Electronic address:
Management of stress and anxiety is often listed as the primary motivation behind cannabis use. Human research has found that chronic cannabis use is associated with increased basal cortisol levels but blunted neuroendocrine responses to stress. Preclinical research has demonstrated mixed effects of Δ-tetrahydrocannabinol (THC; the psychoactive constituent of cannabis), much of which is suggestive of dose-dependent effects; however, the predominance of this work has employed an injection method to deliver cannabis.
View Article and Find Full Text PDFJ Psychoactive Drugs
January 2025
Department of Psychology, The University of British Columbia, Kelowna, BC, Canada.
The increasing acceptance of cannabis use, and policy changes in several jurisdictions has led researchers and public health experts to call for a standard cannabis dose. Standard dosing units are useful tools for regulation, substance use guidelines, data collection, consistency of research, as a means of communicating low-risk recommendations and dose-related effects, and for self-monitoring. Efforts to standardize cannabis dose have focused on cannabinoid content without considering tolerance or mode.
View Article and Find Full Text PDFObjective: Cannabis has become more available in Canada since its legalization in 2018. Many individuals who use cannabis also use alcohol (co-use), which can be used either at the same time such that their effects overlap (simultaneous use) or at different times (concurrent use). Though studies have identified predictors of co-use relative to single-substance use, less is known about the predictors of specific types of co-use.
View Article and Find Full Text PDFSubst Use Misuse
January 2025
Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
Objective: Adolescents are typically motivated to conform to peer influence, including substance use behaviors, and it is likely that adolescents who deviate from their peers' substance use behaviors might experience stress and anxiety.
Method: A mixed-methods approach was utilized to examine the relationship between peer e-cigarette and cannabis use and symptoms of generalized anxiety among a diverse sample of 12 grade students in Los Angeles County, California, USA ( = 1,867, = 17.04, SD = 0.
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