Attention-deficit/hyperactivity disorder (ADHD) is a prevalent neurodevelopmental disorder in children and adults. In the substance use disorders (SUDs) population, ADHD prevalence reaches 23.1%, leading to more severe substance abuse progression and reduced treatment effectiveness. Cannabis is the most common illicit drug used among the ADHD population. The increasing popularity of medical marijuana (MM) has raised concerns about its potential impact on neurocognitive functions, particularly in adolescents. Persistent cannabis use can cause permanent changes in brain structures and circuits. This review aims to overview the comorbidity of ADHD and SUDs, focusing on cannabis use disorders. Theoretical models of the etiologies of ADHD and SUDs were investigated to establish a framework for analyzing their underlying neurocognitive mechanisms. The reward and motivational brain circuitries involving the default-mode network and the endocannabinoid system were emphasized. The high prevalence of SUDs in the ADHD population has ramifications, including earlier age of onset, self-medication, and reduced performance in various domains. Cannabis use disorders are particularly significant due to the increasingly widespread use of cannabis and its perceived safety. The review highlights the lack of theoretical background on the therapeutic properties of medicinal cannabis, criticizing its speculated applications in the ADHD population. This article reviews the current understanding of the association between ADHD and cannabis use, emphasizing the need for further research and a cautious approach to MM's potential therapeutic applications.
Background Identifying risk and protective factors for excessive alcohol consumption can inform targeted health policies, reducing the impact of potential mental health crises. This study examined the validity and reliability of COVID-19-related death data and explored the correlations among age, sex, residential status, alcohol abuse, and healthcare access. Material/Methods This analysis of Polish residents’ mortality relies on individual data from the register of deaths maintained by Statistics Poland. This study examined deviations in the number of deaths between 2020 and 2021 by analyzing specific causes of death. Results Alcohol abusers had increased COVID-19 risk factors compared to the general population. F10 values were 22% higher than expected in 2020, aligning with predictions for 2021. Higher mortality rates were observed in the first year of the pandemic. In 2020, women and rural residents were more affected (31% and 25% higher than expected, respectively), while men and urban residents were less affected (21% and 20% higher than expected, respectively). In 2021, the trend reversed, with men 2% higher than predicted and women 4% lower. Urban area residents had a 77% lower than expected value, while rural area residents were similar (8% higher). Overall mortality exceeded expectations in both 2020 (13% higher) and 2021 (23% higher). In 2021, alcohol-related non-mental health problems increased by more than 40% in standardized death rates (SDRs). Conclusions Alcohol-related deaths reflect the hidden effects of the pandemic. Measuring the pandemic’s impact on global excess mortality is hindered by inconsistencies in COVID-19 death reporting.
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