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This debate paper discusses six reasons why the term "recreational substance use" should be avoided. (1) Social norms and beliefs are drivers of behavior; therefore, the normalized use of the term conveys injunctive norms of a fully socially acceptable substance. Injunctive norms are the most important drivers of initiation into substance use. (2) The illusion of being in control, suggesting that if consumed for leisure and recreation it can easily be controlled; (3) Idealized social representations that fuel an idealized image of an alternative glamourous or mindful consumption culture; (4) Downplaying potential harms; (5) The implicit promise of everyday pleasure, the ever-growing potency of cannabis products does not fit the narrative of its use for recreation; (6) Industry as a trojan horse branding discourse of the concept of medical cannabis to normalize the image of non-medical use: to complement "therapeutic" with "recreational". "Recreational use" is a subjective ill-defined term. This debate paper aims to find a better terminological solution, honestly denominating with a neutral, unbiased, and objective connotation what is now called "recreational use". Thus, we propose using the term "non-therapeutic" use.

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BACKGROUND: Globally, the US-Mexico Border is one of the largest drug trafficking regions, with Ciudad Juarez (CJ) and El Paso (EP) making up the second-largest border crossing in the world. Border communities are places where the risk of drug use harm and infectious diseases such as HIV are augmented due to the confluence of factors operating across the physical, social, economic and policy environment. Although the two cities are economically, culturally, and socially intertwined, each has distinct criminal justice systems and policy practices aimed at curtailing substance use. Between 2008 and 2011, the CJ/EP region experienced an unprecedented level of violence that stemmed from the intersection of police militarization and drug cartel wars, which profoundly shaped every aspect of life. Little research has documented the impact of drug cartel wars on the drug use and health harms of people who inject drugs (PWID) living in CJ and EP. The purpose of the study is to understand the effect that the drug cartel war had on the drug use harms and HIV risk of PWID. METHODS: We conducted 40 in-depth interviews with people who inject drugs who resided in CJ or EP and had used heroin or crack cocaine in the last 30 days, and asked how police militarization and drug cartel war affected their daily lives. The risk environment framework informed the analysis and interpretation of findings. RESULTS: Findings indicated that the risk environment was profoundly altered as PWID residing in CJ experienced profound changes in their daily lives that promoted engagement in behaviors that increased drug use and health harms including HIV risk, exacerbated trauma, and prevented use of substance use treatment and harm reduction services. The risk environment was also altered in EP, where PWID experienced drug supply shortages, violent policing practices, and reduced availability of harm reduction services. Findings underscore the permeability of risk environments across geographical borders. CONCLUSION: The intersection of law enforcement militarization and drug cartel wars can be conceptualized as a 'big event' because it disrupts the drug market economy, leads to drug shortages, promotes entrance into the drug market economy by people who use drugs, reshapes drug use sites, and constrains the provision of harm reduction services. The stability of the harm reduction system in CJ was negatively impacted and limited the ability of individuals to reduce harm. Our findings show that drug cartel wars render the CJ/EP region extremely susceptible to drug use and health harms, while also creating vulnerability by severely restricting its ability to respond. Traditional recommendations to intervene to limit the impact of risk environments on the drug use harms of PWID need to be reconsidered in the context of drug cartel wars.

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INTRODUCTION: This study aimed to highlight that atlantoaxial rotatory fixation (AARF) can be related to neurosurgery procedures in children, with an afterward demonstration of good results after halo-gravity traction and C1-C2 stabilization using the Harms technique. CASE DESCRIPTION: To the best of our knowledge, this is the first case to report a 4-year-old boy who presented with AARF after a posterior fossa craniotomy to treat a cerebellar astrocytoma. At our medical facility, AARF was diagnosed using plain radiography and computed tomography imaging. The patient was treated with continuous cranial traction for 14 days. Initially, we detected that the patient had no C1 posterior arch or C2 spinous process; therefore, the best option was to perform the Harms technique. Postoperatively, the patient was placed in a cervical collar for 4 weeks. At the 4-year postoperative follow-up, the patient was doing well and had not developed any complications. CONCLUSION: Herein, we report a case in which AARF can be developed after neurosurgical procedure. Surgical techniques used for atlantoaxial subluxation should be carefully selected. In our case, the Harms technique after cranial traction was an excellent option for correcting and stabilizing the abnormal neck position. However, further studies are required to determine the best technique to use in the pediatric population.

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Myroxylon pereirae resin (MP; balsam of Peru) is a botanical balsam which is derived from a tree known as Myroxylon balsamum (L.) Harms var. pereirae (Royle) Harms, balsamum. This natural substance has a long history of medicinal use (antiseptic and for wound healing) but surprisingly there is a lack of toxicological data. The medicinal application of Peru balsam has been documented throughout a period of at least 30 years, however, due to the high risk of sensitisation and other treatment options available in the proposed indication, the medicinal use of MP in EU today is limited. The aim of this article is deriving Permitted Daily Exposure (PDE) values for MP for regulatory purposes using various toxicological strategies due to the problems with toxicological data. The results described in this article fills a gap in the literature on toxicological aspects of MP for the first time.

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BACKGROUND: Global opioid consumption increased multifold post-2000, disproportionately in high-income countries, with severe mortality/morbidity consequences. Latin America features comparatively low opioid availability; Brazil, the region's most populous country, makes an interesting case study concerning opioid use/harms. In this comprehensive overview, we aimed to identify and summarize medical and non-medical data and indicators of opioid availability and use, regulation/control, and harm outcomes in Brazil since 2000. METHODS: We searched multiple scientific databases to identify relevant publications and conducted additional 'grey' literature searches to identify other pertinent information. RESULTS: Despite some essential indicators, opioid-related data are limited for Brazil. Data indicate that population-level availability of prescription opioids represents only a small fraction of use in comparison to high-income countries. However, within Latin America, Brazil ranks mid-level for opioid consumption, indicating relatively moderate consumption compared to neighboring jurisdictions. Brazil has implemented restrictive regulations to opioid prescribing and is considered 'highly restricted' for opioid access. Codeine remains the major opioid analgesic utilized, but stronger opioids such as oxycodone are becoming more common. Professional knowledge regarding medical opioid use and effects appears limited. National surveys indicate increases in non-medical use of prescription opioids, albeit lower than observed in North America, while illicit opioids (e.g., heroin) are highly uncommon. CONCLUSIONS: Overall population-level opioid availability and corresponding levels of opioid-related harms in Brazil remain substantially lower than rates reported for North America. However, the available surveillance and analytical data on opioid use, policy/practice, and harms in Brazil are limited and insufficient. Since existing and acute (e.g., pain-related) needs for improved opioid utilization and practice appear to be substantiated, improved indicators for and understanding of opioid use, practice, and harms in Brazil are required.

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Alcohol remains readily available to youth in most countries. We examined the associations between both the on- and off-premises commercial availability of alcohol to youth and their alcohol use, heavy episodic drinking, and alcohol-related harms. We conducted the study using data from a survey of a sample of 594 students in central Mexico between 12 and 17 years of age in 2016. Both the perceived availability of alcohol and the purchasing of alcohol at an off-premises establishment were positively related to past-30-day alcohol use and heavy episodic drinking, as well as to alcohol-related harms in the past year. Consumption at on-premises establishments was also positively associated with alcohol-related harms. Preventive efforts to reduce the availability of alcohol at off- and on-premises establishments, by such strategies as mystery shopper and responsible beverage service programs, are imperative.

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Resumo O crack é um problema relevante de saúde pública no Brasil, em função dos danos e riscos individuais e sociais secundários ao seu uso/abuso. O objetivo deste artigo é descrever características das cenas de uso de crack na Capital e no Meio-Oeste de Santa Catarina. O projeto se valeu da metodologia Time-Location Sampling. Em janeiro-junho de 2011, foram mapeadas 41 cenas de uso de crack na Capital e 33 no Meio-Oeste catarinense. Após seleção aleatória das cenas a serem observadas, foram sorteados os dias e os turnos em que estas seriam observadas em detalhe, totalizando 98 cenas/turno na Capital e 62 no Meio-O-este. As observações foram registradas em caderno de campo, analisadas via análise de conteúdo de Bardin e discutidas à luz da literatura nacional e internacional. Os usuários de crack entrevistados eram majoritariamente adultos do sexo masculino, com uma maior associação entre estar em situação de rua e consumir a droga na Capital. Enquanto no Meio-Oeste a maioria das cenas estavam ativas no período noturno, na Capital, apresentaram-se ativas em todos os períodos. Foram identificadas práticas de risco associadas ao uso do crack, como associação de múltiplas drogas, prostituição, compartilhamento de cachimbo e favores sexuais em troca da substância.

Abstract Crack cocaine has been a major public health problem in Brazil due to the individual and social harms and risks deriving from its use. This article aims to assess the characteristics of drug scenes in the capital and Midwest of Santa Catarina state. The project used the Time-Location Sampling. Between January and June 2011, 41 crack cocaine scenes were mapped in capital of Santa Catarina, whereas 33 were mapped in the Midwest of that state. Such scenes were randomly selected to be observed, as well as their days and shifts (time periods/day) for in-depth observation. Overall, 98 scenes/shifts were observed in the capital and 62 in the Midwest. First-hand reports were logged as field notes into notebooks. Analyses of the empirical material were based on Bardin's content analysis, and findings were compared and contrasted with Brazilian and international literature. Most crack cocaine users were adult males. In the capital, a substantial fraction of the users lived in the streets, but in both settings most interviewees have used multiple substances. In the Midwest, most scenes occurred at night, whereas in the capital scenes occurred in all shifts. Risk practices associated with the use of crack cocaine were: association of multiple drugs, prostitution, pipe sharing and sexual favors in exchange for the substance.

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FES-assisted cycling has been recommended to people struggling to emerge from a disability to more functioning life after spinal cord injury. Recommendations issued by a gowing number of scientific papershas promised toimprove body composition and physical activity levels, as well as to controlinvoluntary muscle response; favoring activity and participation which break new grounds in expanding locomotion, leisure and occupational options for people with paraplegia and tetraplegia. In this report we described our experience to select and prepare a pilot to compete in the FES Bike Race modality at Cybathlon 2016 in Kloten (Zurick). He was a man, 38 years old, with a complete spinal cord injury, level T9, three years of injury. He took part in a two preparation phases lasting respectively 18 and 12 weeks each: (1st) pre-FES-cycling and a (2nd) FES-cycling. The 1st phase aimed to explore electrical stimulation response in the quadricps, hamstrings and gluteus muscles; searching for a standard muscular recruitment enable to propel the pedals of a trike. Following, in the 2nd phase, stationary to mobile FES-cycling was performed at the same time the development of the automation and control systems were being incorporated in the trike. We adapted a commercial tadpole trycicle anda pilot controlled system. Although we had planned a three session by week protocol, for reasons of term and time to finish the trike development and be prepared to compete, in the last two weeks before the Cybatlhon an intense level of exercise was maintained. After the race, we noticedinflammatory signs on the left knee which later revealed a patella fracture. The video footage analysis confirmed ithappened during the race's first lap.

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BACKGROUND CONTEXT: Many etiologies can lead to atlantoaxial subluxaion. In Grisel syndrome (GS), this subluxation occurs spontaneously after inflammatory processes of the head and neck. Diagnosis is typically based on clinical history and a strong suspicion of this syndrome. Nonsurgical treatment most often resolves the symptoms; however, in some cases surgical treatment is necessary to repair the subluxation. Various surgical techniques and instrumentation systems have been used to treat atlantoaxial subluxation, although there is no consensus regarding the best treatment method for the pediatric population. PURPOSE: To describe a case of atlantoaxial subluxation in a child with GS treated surgically with an alternative construct. STUDY DESIGN/SETTING: This is a case report and literature review. MATERIALS AND METHODS: Our case study involves a 5-year-old girl with a 6-month history of unresolved Fielding type II atlantoaxial subluxation caused by GS. Despite conservative treatment, the patient's symptoms continued to progress. After two failed closed reduction attempts, open reduction and C1-C2 fusion were performed with atlas laminar hook and axis pedicle polyaxial screws. A literature review of the surgical treatment of GS was also performed. RESULTS: After surgery, the patient exhibited full clinical and functional recovery with complete resolution of symptoms. At the 36-month follow-up examination, there was continual evidence of satisfactory reduction and fusion. No complications were observed. Upon completion of the literature review, eight GS cases were found to have been treated surgically with the minimum patient age being 9 years. CONCLUSIONS: Conservative management of GS is the most common and effective treatment; however, a few surgical cases have been reported in the literature with good results. Satisfactory clinical results and fusion at 36 months post surgery were seen in a pediatric patient with atlantoaxial subluxation and instability using atlas laminar hook and axis pedicle polyaxial screws.

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Caracterizou-se farmacognosticamente a droga pau d'alho pertencente a espécie Gallesia integrifoli. (Spreng.) Saras da família Phytolaecaceae. As descriçoes são acompanhadas dos respectivos desenhos. Reações histoquímicas foram efetuadas em folhas frescas, folhas fermentadas a 40ºC e na droga (folha seca).

The authors present a morphological and histologycal study of the leaf of Gallesia integrifolia (Spreng.) Harms, analysing the most characteristics elements for its identification. A screening the histochemical reactions in leaves are also given. Fresh and crude drug are histochemically analysed.