OPEN Foundation

P. Hendricks

Classic psychedelic use is associated with reduced psychological distress and suicidality in the United States adult population

Abstract

Mental health problems are endemic across the globe, and suicide, a strong corollary of poor mental health, is a leading cause of death. Classic psychedelic use may occasion lasting improvements in mental health, but the effects of classic psychedelic use on suicidality are unknown. We evaluated the relationships of classic psychedelic use with psychological distress and suicidality among over 190,000 USA adult respondents pooled from the last five available years of the National Survey on Drug Use and Health (2008–2012) while controlling for a range of covariates. Lifetime classic psychedelic use was associated with a significantly reduced odds of past month psychological distress (weighted odds ratio (OR)=0.81 (0.72–0.91)), past year suicidal thinking (weighted OR=0.86 (0.78–0.94)), past year suicidal planning (weighted OR=0.71 (0.54–0.94)), and past year suicide attempt (weighted OR=0.64 (0.46–0.89)), whereas lifetime illicit use of other drugs was largely associated with an increased likelihood of these outcomes. These findings indicate that classic psychedelics may hold promise in the prevention of suicide, supporting the view that classic psychedelics’ most highly restricted legal status should be reconsidered to facilitate scientific study, and suggesting that more extensive clinical research with classic psychedelics is warranted.

Hendricks, P. S., Thorne, C. B., Clark, C. B., Coombs, D. W., & Johnson, M. W. (2015). Classic psychedelic use is associated with reduced psychological distress and suicidality in the United States adult population. Journal of Psychopharmacology. https://dx.doi.org/10.1177/0269881114565653

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Back to the future: A return to psychedelic treatment models for addiction

Abstract

The discovery of the 5HT2aR agonist hallucinogen (i.e. classic psychedelic) lysergic acid diethylamide (LSD) by Albert Hofmann in 1943 was a global watershed event. Not only did it spark wide interest in the nature of consciousness and the role of neurotransmission in brain function, it opened new avenues of potential treatment for a range of mental health conditions (Hofmann, 2013). The scientific community of the 1950s through the early 1970s responded to Hofmann’s discovery by producing more than 1000 manuscripts describing the treatment of 40,000 patients (Nutt et al., 2013). Despite promising if not remarkable indications of efficacy (Krebs and Johansen, 2012; Savage and McCabe, 1973),sensationalized reports of recreational LSD use prompted legal restrictions that ultimately rendered research with LSD and …

Hendricks, P. S. (2014). Back to the future: A return to psychedelic treatment models for addiction. Journal of Psychopharmacology, 28(11), 981-982. http://dx.doi.org/10.1177/0269881114550935
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Hallucinogen use predicts reduced recidivism among substance-involved offenders under community corrections supervision

Abstract

Hallucinogen-based interventions may benefit substance use populations, but contemporary data informing the impact of hallucinogens on addictive behavior are scarce. Given that many individuals in the criminal justice system engage in problematic patterns of substance use, hallucinogen treatments also may benefit criminal justice populations. However, the relationship between hallucinogen use and criminal recidivism is unknown. In this longitudinal study, we examined the relationship between naturalistic hallucinogen use and recidivism among individuals under community corrections supervision with a history of substance involvement (n=25,622). We found that hallucinogen use predicted a reduced likelihood of supervision failure (e.g. noncompliance with legal requirements including alcohol and other drug use) while controlling for an array of potential confounding factors (odds ratio (OR)=0.60 (0.46, 0.79)). Our results suggest that hallucinogens may promote alcohol and other drug abstinence and prosocial behavior in a population with high rates of recidivism.

Hendricks, P. S., Clark, C. B., Johnson, M. W., Fontaine, K. R. & Cropsey, K. L. (2014). Hallucinogen use predicts reduced recidivism among substance-involved offenders under community corrections supervision. Journal of Psychopharmacology, 28(1), 62-66. http://dx.doi.org/10.1177/0269881113513851
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