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Se caracterizaron los efectos que sobre la presión arterial y la frecuencia cardiaca ocasiona el alcoholismo crónico iniciado en la adolescencia en ratas albinas machos. Se confeccionaron 2 grupos de animales (experimental y control) y se hicieron 2 subgrupos de diferentes tiempos de tratamiento (3 y 5 meses). A las ratas experimentales se les suministró etanol mediante cánula intraesofágica. Se estudió la presión arterial y la frecuencia cardiaca mediante plestimografía directa. Para el procesamiento estadístico de los resultados se utilizó ANOVA de 2 vías con interacción. La ingestión de etanol provocó un incremento en la presión arterial sistólica y diastólica tanto a los 3 como a los 5 meses de tratamiento. Este incremento fue mayor a los 5 meses de tratamiento. La frecuencia cardiaca no mostró cambios significativos. Se concluyó que la ingestión crónica de etanol eleva la presión arterial de forma tiempo dependiente.The effects of chronic alcoholism initiated in the adolescence on arterial pressure and heart rate were characterized in male albine rats. They were divided into 2 groups (experimental and control) and 2 subgroups with different times of treatment (3 and 5 months) were organized. The experimental rats were administered ethanol by intraesophageal cannula. Arterial pressure and heart rate were studied by direct plethysmography. A two-way interactive ANOVA was used for the statistical processing of the results. The ingestion of ethanol produced an increase of the systolic and diastolic arterial pressure at 3 and 5 months of treatment. This rise was higher at 5 months of treatment. Heart rate did not show significant changes. It was concluded that the chronic ingestion of ethanol raises arterial pressure depending on time.

Resumen: Introducción: La industrialización y moderna tecnificación de nuestra sociedad ha favorecido la génesis de problemas globales. La Didáctica de la Educación Física se enfrenta a graves problemas de sostenibilidad. Cada vez son más fuertes las tendencias que predican una Educación Física que haga sostenibles las conductas motrices, favoreciendo aprendizajes, procedimientos, evaluaciones, materiales y recursos que faciliten comportamientos sostenibles y una vida equilibrada y saludable. Exponemos una revisión sistemática sobre experiencias educativas en programas de actividad física sostenible. Objetivos: Obtener evidencias científicas sobre la Didáctica Sostenible de la Educación Física realizada por niños y adolescentes durante la presente década, confrontar los estudios que relacionan la Educación Física con prácticas sostenibles y determinar los esfuerzos investigadores para desarrollar unos patrones de Educación Física sostenible en escolares y adolescentes. Métodos: Los descriptores de búsqueda utilizados fueron: actividad física, infancia, juventud, medio ambiente y sostenibilidad. Los registros se limitaron a los publicados en español, inglés y francés entre enero de 2010 y diciembre de 2020. 11 estudios cumplieron los requisitos de revisión: 5 contemplaron la sostenibilidad en relación a hábitos saludables, 4 estudiaron programas de Educación Física sostenible y 2 valoraron actividades de protección de la naturaleza. Resultados y Discusión: Con los artículos seleccionados apreciamos que es necesario desarrollar una nueva didáctica junto a una nueva educación física sostenible, pero también un deporte sostenible eminentemente respetuoso con la persona, con sus límites, que no asuma riesgos innecesarios y que lleve a cabo prácticas cotidianas con la finalidad de restaurar los daños ocasionados, de cuidado, de reposo, de modo que el deportista, que tanto y tanto exige de su cuerpo, aprenda a cuidarlo y darle todo lo que necesita para que sea capaz de vivir de modo apacible, feliz y sano. Conclusiones: En la última década no hay suficientes estudios sobre sostenibilidad de la actividad física en la juventud e infancia. Faltan estudios sobre actividad física responsable, tolerante y que contemplen el papel de la mujer en la juventud e infancia.// Abstract: Introduction: The industrialisation and modern technification of our society has favoured the genesis of global problems. Physical Education Didactics is facing serious problems of sustainability. There are increasingly strong tendencies that preach a Physical Education that makes motor behaviour sustainable, favouring learning, procedures, evaluations, materials and resources that facilitate sustainable behaviour and a balanced and healthy life. We present a systematic review of educational experiences in sustainable physical activity programmes. Aim: To obtain scientific evidence on sustainable physical education didactics for children and adolescents during the present decade, to compare studies that relate physical education to sustainable practices and to determine research efforts to develop sustainable physical education patterns in schoolchildren and adolescents. Methods: The search descriptors used were: physical activity, childhood, youth, environment and sustainability. Records were limited to those published in English, French and Spanish between January 2010 and December 2020. 11 studies fulfilled the review requirements: 5 considered sustainability in relation to healthy habits, 4 studied sustainable Physical Education programmes and 2 assessed nature protection activities. Results & discussion: with the selected articles we appreciate that it is necessary to develop a new didactics together with a new sustainable physical education, but also a sustainable sport eminently respectful with the person, with their limits, that does not take unnecessary risks and that carries out daily practices with the aim of restoring the damage caused, of care, of rest, so that the athlete, who demands so much and so much from their body, learns to look after it and give it everything it needs to be able to live in a peaceful, happy and healthy way. Conclusions: In the last decade there are not enough studies on sustainability of physical activity in youth and childhood. There is a lack of studies on responsible, tolerant physical activity and on the role of women in youth and childhood. Resumo: Introdução: A industrialização e a tecnificação moderna da nossa sociedade favoreceram a génese de problemas globais. A Didáctica da Educação Física está a enfrentar sérios problemas de sustentabilidade. Há tendências cada vez mais fortes que pregam uma Educação Física que torna o comportamento motor sustentável, favorecendo a aprendizagem, procedimentos, avaliações, materiais e recursos que facilitam um comportamento sustentável e uma vida equilibrada e saudável. Apresentamos uma revisão sistemática das experiências educativas em programas de actividade física sustentável. Objectivos: Obter evidência científica sobre didáctica da educação física sustentável para crianças e adolescentes durante a presente década, comparar estudos que relacionam a educação física com práticas sustentáveis e determinar esforços de investigação para desenvolver padrões sustentáveis de educação física em crianças e adolescentes em idade escolar. Métodos: Os descritores de pesquisa utilizados foram: actividade física, infância, juventude, ambiente e sustentabilidade. Os registos foram limitados aos publicados em inglês, francês e espanhol entre Janeiro de 2010 e Dezembro de 2020. 11 estudos cumpriram os requisitos de revisão: 5 consideraram a sustentabilidade em relação a hábitos saudáveis, 4 estudaram programas de Educação Física sustentáveis e 2 avaliaram actividades de protecção da natureza. Resultados e discussão: com os artigos seleccionados apreciamos a necessidade de desenvolver uma nova didáctica juntamente com uma nova educação física sustentável, mas também um desporto sustentável eminentemente respeitoso com a pessoa, com os seus limites, que não corra riscos desnecessários e que realize práticas diárias com o objectivo de restaurar os danos causados, de cuidados, de descanso, para que o desportista, que tanto e tanto exige do seu corpo, aprenda a cuidar dele e a dar-lhe tudo o que precisa para que possa viver de forma pacífica, feliz e saudável. Conclusões: Na última década não existem estudos suficientes sobre a sustentabilidade da actividade física na juventude e na infância. Há falta de estudos sobre a actividade física responsável e tolerante e sobre o papel da mulher na juventude e na infância.

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[accedido 2022 jul 9]. https://commons.wikimedia.org/wiki/File:GHS-pictogram-exclam.svg."]} Discusión de creación de una etiqueta de seguridad del etanol, de modo que sea visiblemente atractiva para el público general.

Editorial: Dar un mayor nivel de información sanitaria a las personas garantizará que la sociedad, y nuestra población de referencia, adquiera una percepción de riesgo adecuada sobre el problema del cambio climático, lo que llevaría a que cada individuo adopte conductas saludables como sería el seguir hábitos correctos de fotoprotección e hidratación cutánea, adquisición de una actitud responsable hacia la prevención de la contaminación ambiental de su entorno local (laboral y doméstico); todo ello, con la finalidad de evitar riesgos dermatológicos innecesarios (infecciones cutáneas, alergias…). También, precisamos una mayor concienciación de los ciudadanos, las autoridades, los políticos y los profesionales de la salud para desarrollar medidas de adaptación y mitigación del cambio climático, hecho que pasa necesariamente por promover la investigación en este campo e implementar las buenas prácticas que vayan surgiendo. [Climate change and dermatological diseases: what can we do?] Editorial: Giving a higher level of health information to people will ensure that society, and our reference population, acquires an adequate perception of risk on the problem of climate change, which would lead to each individual adopting healthy behaviors such as following correct habits of skin protection and hydration, acquiring a responsible attitude towards the prevention of environmental contamination of their local environment (work and home); all of it in order to avoid unnecessary dermatological risks (skin infections, allergies ...). Also, we need greater awareness of citizens, authorities, politicians and health professionals to develop climate change adaptation and mitigation measures, This fact necessarily involves promoting research in this field and implementing the good practices that arise.

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Londres: Routledge.", "Ten Have, Henk; & Gordijn, Bert (2021). \u00abVulnerability in light of the COVID\u201119 crisis\u00bb. Medicine, Health Care and Philosophy, 24, pp. 153\u2013154. DOI: 10.1007/s11019-021-10013-8", "Welzer, Harald (2011). Guerras clim\u00e1ticas. Por qu\u00e9 mataremos y nos matar\u00e1n en el siglo XXI. Madrid: Katz."]} COVID-19 pandemic, declared by WHO in March 2020, calls for specific attention to the phenomenon of vulnerability. The pandemic has exposed the ontological vulnerability shared by all human beings, but also the way in which socioeconomic inequalities affect the inequitable distribution of specific or situational vulnerabilities. On the other hand, it has also brought to the fore the profound interdependence we share among all people, which also extends to non-human agents and the environment. This article presents a general analysis of vulnerability in the context of COVID-19, proposing, in particular, that it is an appropriate category for analyzing the essential interdependence of human beings with their fellow human beings, with other living beings and with the environment.

Este artigo pretende estudar a inserção do Brasil no Mecanismo de Desenvolvimento Limpo (MDL) do Protocolo de Quioto, por meio de projetos em energia limpa, enfatizando a cooperação entre países desenvolvidos e em desenvolvimento e visando as ações práticas que esse mecanismo permite desenvolver para se alcançar o desenvolvimento sustentável e para conter o aquecimento global. Para isto, realizou-se extensa revisão bibliográfica dos acordos internacionais referentes às mudanças climáticas e de livros e artigos sobre a inserção brasileira no Protocolo de Quioto e no Mecanismo de Desenvolvimento Limpo. O Protocolo de Quioto é um acordo internacional que prevê a redução das emissões de gases de efeito estufa por intermédio de mecanismos flexibilizadores. O Mecanismo de Desenvolvimento Limpo é o único que permite a participação de países em desenvolvimento, para que eles reduzam emissões por meio de projetos que busquem o desenvolvimento sustentável. Neste contexto, o Brasil surge como um país atrativo para o recebimento destes projetos, por sua vocação para desenvolver fontes alternativas de energia e pela sua liderança no processo negociador do Protocolo. O MDL configura-se, portanto, em uma grande oportunidade para o Brasil, visto que esses projetos representam uma fonte de recursos financeiros para que o país busque o desenvolvimento sustentável, além de incentivarem um maior conhecimento científico e a adoção de novas tecnologias.This article intends to study the insertion of Brazil at the Clean Development Mechanism (CDM) of the Kyoto Protocol, through clean energy projects, emphasizing the cooperation between developed and developing countries, and aiming the practical actions that this mechanism allows to build up in order to reach the sustainable development and to stop the global warming. To achieve this, an intense bibliographic review of the international agreements concerning climate change, and books and articles about the Brazilian insertion on the Kyoto Protocol and on the Clean Development Mechanism was done. The Kyoto Protocol is an international agreement, which predicts the reduction of the greenhouse gases emissions through flexibly mechanisms. The Clean Development Mechanism is the only one that allows the participation of developing countries, for them to reduce emissions through projects that look for sustainable development. In this context, Brazil emerges as an attractive country to receive these projects, due to its vocation to develop alternative sources of energy and for its leadership on the Protocol's negotiation process. The CDM is therefore a great opportunity to Brazil, since these projects represent a source for financial resources for the country to seek the sustainable development, besides encouraging a greater scientific knowledge and the adoption of new and clean technologies.