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Message: [QUOTE="greenmedinfo, post: 2992"] PMID: Psychopharmacology (Berl). 2021 Nov 4. Epub 2021 Nov 4. PMID: 34734314 Abstract Title: Psychedelic experience dose-dependently modulated by cannabis: results of a prospective online survey. Abstract: RATIONALE: Classic psychedelics are currently being studied as novel treatments for a range of psychiatric disorders. However, research on how psychedelics interact with other psychoactive substances remains scarce.OBJECTIVES: The current study aimed to explore the subjective effects of psychedelics when used alongside cannabis.METHODS: Participants (n = 321) completed a set of online surveys at 2 time points: 7 days before, and 1 day after a planned experience with a serotonergic psychedelic. The collected data included demographics, environmental factors (so-called setting) and five validated questionnaires: Mystical Experience Questionnaire (MEQ), visual subscales of Altered States of Consciousness Questionnaire (ASC-Vis), Challenging Experience Questionnaire (CEQ), Ego Dissolution Inventory (EDI) and Emotional Breakthrough Inventory (EBI). Participants were grouped according to whether they had reported using no cannabis (n = 195) or low (n = 53), medium (n = 45) or high (n = 28) dose, directly concomitant with the psychedelic. Multivariate analysis of covariance (MANCOVA) and contrasts was used to analyse differences in subjective effects between groups while controlling for potential confounding contextual'setting' variables.RESULTS: The simultaneous use of cannabis together with classic serotonergic psychedelics was associated with more intense psychedelic experience across a range of measures: a linear relationship was found between dose and MEQ, ASC-Vis and EDI scores, while a quadratic relationship was found for CEQ scores. No relationship was found between the dose of cannabis and the EBI.CONCLUSIONS: Results imply a possible interaction between the cannabis and psychedelic on acute subjective experiences; however, design limitations hamper our ability to draw firm inferences on directions of causality and the clinical implications of any such interactions. [URL='https://www.greenmedinfo.com/article/psychedelic-experience-dose-dependently-modulated-cannabis']read more[/URL] [/QUOTE]

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