Cannabinoids modulate dopamine (DA) transmission and DA-related behavior, which has been thought to be mediated initially by activation of cannabinoid CB1 receptors (CB1Rs) on GABA neurons. However, there is no behavioral evidence supporting it. In contrast, here we report that CB1Rs are also expressed in a subset of DA neurons and functionally underlie cannabinoid action in male and female...
Harmful usage of tobacco is a global public health problem associated with adverse health effects and addiction. Yet, in the Peruvian Amazon, the native region of Nicotiana rustica L., this plant is used in remarkably different manners: it is considered a potent medicinal plant, applied in liquid form for oral ingestion to treat mental health problems, a common and ancient healing practice in...
During the last two years, hexahydrocannabinol (HHC), the hydrogenated derivative of tetrahydrocannabinol has been freely sold by internet websites as a "legal" replacement to THC and cannabis in a range of highly attractive branded and unbranded products, some of which are sold as "legal highs". Potentially, there could be a large demand for HHC products by individuals in Europe and...
Addictive Behaviors2023James E Sottile, Kathryn S Macia, Robert E Wickham et al.
MDMA/Ecstasy motives differ from those of other substances such as alcohol, cannabis, and methamphetamine. Previous literature on alcohol and cannabis use identified social, expansion, enhancement, coping, and conformism as primary motives for use. MDMA/Ecstasy users also report using the drug for increases in self-awareness and energy. The development of an MDMA/Ecstasy use motives assessment...
Intoxication in the Ancient Greek and Roman World considers the psychotropic plants used in the ancient world and ancient attitudes towards intoxication. Alan Sumler surveys primary Greek and Roman sources for noteworthy mentions of ancient intoxicants like hellebore, mandrake, deadly nightshade, thorn apple, opium poppy, cannabis, wine, and other substances and reveals how psychoactive drugs...
Background: Globally, street-involved children and youth (SICY) who work and live on/of the streets are at higher risk of increased psychoactive substances and injecting drug use. Objectives: The present study aimed to identify the prevalence, distribution, sociodemographic factors, and risk-taking behaviors associated with psychoactive substances and injecting drug use among SICY. Methods:...
About 40% of the people with the obsessive-compulsive-disorder do not experience the desired outcome after the existing treatment, and its several side effects were reported. This systematic review was conducted to evaluate the efficacy and tolerability of alternative drugs and assess the possibility of their use as treatment options for obsessive-compulsive-disorder. The Scientific databases...
Psychosis spectrum disorder (PSD) affects 1% of the world population and results in a lifetime of chronic disability, causing devastating personal and economic consequences. Developing new treatments for PSD remains a challenge, particularly those that target its core cognitive deficits. A key barrier to progress is the tenuous link between the basic neurobiological understanding of PSD and its...
This study aimed to measure the prevalence of drugs of abuse (DOA) among the goods carriage drivers associated with the southern State of India, Kerala. Point-of-collection testing (POCT) of oral fluid collected from the participants (n = 249) was done using the Evidence MultiSTAT DOA Oral Fluid II Assay kits and the Evidence MultiSTAT analyzer. Out of the total samples, 53 (21.29%) were...
Neurology BulletinDecember 24, 2022Vladimir D. Mendelevich, Veronika N. Konovalova, Galya M. Galiullina et al.
The article describes the case of Daria D., 23 years old, who has been using various drugs (LSD, marijuana, mephedrone) for a number of years and independently abandoned using drags with the transition to the use of microdoses of red fly agaric (Amanita Muskaria). Her mental and addictive status is analyzed. It is concluded that, despite the systematic use of drugs, there are no grounds for...