Category: Paper Overviews

LSD microdosing study

Overview: Controlled Trial of LSD Microdosing Reveals Modest Effects

Summary: LSD microdoses (13 μg and 26 μg) changed psychological and behavioral functioning, but the effects were relatively modest and many areas of functioning were not altered at all. Microdosing did not have a positive effect on cognitive performance. Authors: Anya K. Bershad, Scott T. Schepers, Michael P. Bremmer, Royce Lee, Harriet de Wit DOI: 10.1016/j.biopsych.2019.05.019 […]

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Overview: The Most and Least Effective Antidepressants

Summary: 522 randomized controlled trials involving 21 antidepressants and 116,477 people were analyzed. It appears the most effective antidepressants (at a duration of 8 weeks) include amitriptyline, escitalopram, mirtazapine, paroxetine, and venlafaxine. While reboxetine and trazodone had notably lower efficacy ratings. Some of the most effective drugs had lower tolerability scores, however, indicating they may […]

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Overview: The Post-Acute Brain Activity Changes Of Psilocybin For Treatment-Resistant Depression

TDC abstract: Psilocybin, a prodrug for psilocin, appears to have detectable effects on brain activity the day after an experience in those with treatment-resistant depression. There’s a rise in functional connectivity within the default mode network (DMN) and a decline in functional connectivity between the parahippocampus and prefrontal cortex. Authors: Robin L Carhart-Harris, Leor Roseman, Mark […]

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Overview: Placebo Stimulants Make You Think You’re Performing Better

TDC abstract: Placebo stimulants are capable of increasing self-reported alertness, focus, and positive mood. These effects are present in the absence of neuropsychological improvement, demonstrating a placebo, likely due to positive expectancies, can make users believe they’re receiving a benefit. Authors: Samantha Lookatch, Hayley Fivecoat, and Todd Moore DOI: 10.1080/02791072.2017.1344897 Link: Published: July 2017 Background The level of nonmedical […]

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Overview: LSD’s Subjective Effects Are Highly Reliant on 5-HT2A

Abstract: LSD administration can significantly affect self-related processing in the brain. This was shown by an increase in “meaning” scores for otherwise meaningless music. The effects were correlated with changes in brain regions known to be associated with self-related activity. Most of the effects were blocked by a 5-HT2A antagonist, ketanserin. Authors: Katrin H. Preller, […]

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Overview: String of Overdoses from AMB-FUBINACA in New York

Abstract: Dozens of people seemingly overdosed on AMB-FUBINACA, a synthetic cannabinoid, at the same time in July 2016. 18 individuals were taken to local medical centers and no fatalities occurred. Authors: Axel J. Adams, Samuel D. Banister, Lisandro Irizarry, Jordan Trecki, Michael Schwartz, and Roy Gerona DOI: 10.1056/NEJMoa1610300 Link: Published: December 14, 2016 Background Hundreds of […]

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Dictyonema huaorani

Overview: Lichen (Dictyonema huaorani) in Ecuador Might Produce Psychedelic Drugs

Abstract: A lichen growing in Ecuador, Dictyonema huaorani, might produce psychoactive drugs. Among those substances are 5-MeO-DMT and psilocybin (4-PO-DMT). Their presence is not yet definitive, but there is good reason to investigate further. Authors: Michaela Schmull, Manuela Dal-Forno, Robert Lücking, Shugeng Cao, Jon Clardy, and James D. Lawrey DOI: 10.1639/0007-2745-117.4.386 Link: Published: November 7, 2014 Introduction Fungi from […]

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Study Overview: Ecstasy (MDMA) Use In US Sample Of Nightclub & Festival Attendees

Abstract: This paper looks at the rate of MDMA (Ecstasy, Molly) use among young adult nightclub and festival goers. Compared to the general population, people who attend those events have a greater lifetime use rate. Those who take MDMA also report higher rates of drug use overall. Authors: Joseph J. Palamar, Patricia Acosta, Danielle C. Ompad, and Charles M. […]

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Study Overview: DMT Has Potent Protective Effects Against Hypoxia Via Sigma-1 Receptor Activation

This paper, which was published on September 14, 2016, examines the effect of N,N-Dimethyltryptamine (DMT) on hypoxia-induced cellular changes. It specifically looks at the role of the Sigma-1 receptor. Abstract: DMT is capable of reducing cell death when cells are placed in a hypoxic environment. Sigma-1 receptor activity is involved in that effect. Authors: Attila Szabo, Attila […]

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MDMA pills

Study Overview: Changes In The European MDMA Market

The EMCDDA has released a report which examines recent trends in the MDMA market, with a focus on the European market. Based on their summary of the research in this area, MDMA use is growing, strength has increased, adulterants are less common, and different production methods are taking hold. Research has found the market is adapting to competition and trying […]

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