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Consumption of one unit of Brazil nuts daily effectively increases Se status and increases GPx activity in obese women, regardless of GPx1 Pro198Leu polymorphism. However, the evaluated biomarkers showed distinct results in response to the supplementation when the polymorphism was considered.

Background: While there is an ample literature on the evaluation of knowledge translation interventions aimed at healthcare providers, managers, and policy-makers, there has been less focus on patients and their informal caregivers. Further, no overview of the literature on dissemination strategies aimed at healthcare users and their caregivers has been conducted. The overview has two specific research questions: (1) to determine the most effective strategies that have been used to disseminate knowledge to healthcare recipients, and (2) to determine the barriers (and facilitators) to dissemination of knowledge to this group. Methods: This overview used systematic review methods and was conducted according to a pre-defined protocol. A comprehensive search of ten databases and five websites was conducted. Both published and unpublished reviews in English, Spanish, or Portuguese were included. A methodological quality assessment was conducted; low-quality reviews were excluded. A narrative synthesis was undertaken, informed by a matrix of strategy by outcome measure. The Health System Evidence taxonomy for "consumer targeted strategies" was used to separate strategies into one of six categories. Results: We identified 44 systematic reviews that describe the effective strategies to disseminate health knowledge to the public, patients, and caregivers. Some of these reviews also describe the most important barriers to the uptake of these effective strategies. When analyzing those strategies with the greatest potential to achieve behavioral changes, the majority of strategies with sufficient evidence of effectiveness were combined, frequent, and/or intense over time. Further, strategies focused on the patient, with tailored interventions, and those that seek to acquire skills and competencies were more effective in achieving these changes. In relation to barriers and facilitators, while the lack of health literacy or e-literacy could increase inequities, the benefits of social media were also emphasized, for example by widening access to health information for ethnic minorities and lower socioeconomic groups.

A vegetarian diet may have beneficial effects on human health, however when it is not well-balanced may be deficient in some nutrients, as minerals for example. The aim of the present study was to assess the nutritional status of zinc and selenium in vegetarians in the city of São Paulo. A cross-sectional study was performed, and the inclusion criteria were age > or = 18 years, both gender, no use of food or pharmaceutical supplements. Thirty vegetarian, of both genders, mean age of 27 years and 4.5 years of vegetarianism had performed the study, and their mean BMI was 21.5. Zinc plasma concentration was 71 and 62.5 microg/dL for men and women and erythrocyte concentration was 37 microg/gHb for both genders. Selenium concentration was 73.5 and 77.3 microg/L in plasma and 51.4 and 66.9 microg/L in erythrocytes for men and women, respectively. These biochemical values show that, according to the references, selenium blood levels are adequate and zinc concentration in erythrocytes is deficient in the studied population. For this reason, vegetarians should be constantly assessed and receive nutritional support to reduce the effects of inadequate zinc status.

- Preventing prescribing errors is critical to improving patient safety. - We developed an evidence brief for policy to identify effective interventions to avoid or reduce prescribing errors. - Four options were raised: promoting educational actions on prudent prescribing directed to prescribers; incorporating computerized alert systems into clinical practice; implementing the use of tools for guiding medication prescribing; and, encouraging patient care by a multidisciplinary team, with the participation of a pharmacist. - These options can be incorporated into health systems either alone or together, and for that, it is necessary that the context be considered. - Aiming to inform decision makers, we included considerations on the implementation of these options regarding upper-middle income countries, like the Brazilian, and we also present considerations regarding equity.

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Objetivo. Identificar potenciais barreiras à implementação das recomendações das Diretrizes Nacionais de Assistência ao Parto Normal a partir das melhores evidências globais disponíveis. Métodos. Realizou-se uma revisão rápida com consulta a seis bases de dados em março/abril de 2019. Foram selecionados estudos secundários publicados em inglês, espanhol ou português sobre barreiras de qualquer natureza que pudessem ser relacionadas à implementação das recomendações das Diretrizes. Resultados. Foram incluídos 23 documentos (21 revisões sistemáticas e dois guias de prática clínica). As barreiras identificadas foram agrupadas em 52 categorias por semelhança de significado e, em seguida, reorganizadas em nove núcleos temáticos: modelo de atenção ao parto e nascimento, gestão de recursos humanos, crenças e saberes, relações de gênero, gestão de serviços de saúde, atitudes e comportamentos, comunicação, condições socioeconômicas e interesses políticos. Conclusões. Os resultados mostraram que a implementação das Diretrizes pode requerer abordagens combinadas para o enfrentamento de diferentes barreiras. O engajamento de gestores e profissionais de saúde no processo de mudança do modelo de atenção ao parto e nascimento e o envolvimento de usuários são indispensáveis para o sucesso da implementação. São necessárias, ainda, ações intersetoriais para melhorar as condições socioeconômicas de mulheres e famílias e para combater as iniquidades de gênero.