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El objetivo de este trabajo fue analizar la asociación entre la búsqueda de información sobre sífilis y gonorrea a través de Google, y la producción científica sobre estas dos infecciones de transmisión sexual. Se realizó estudio descriptivo transversal. Los datos se obtuvieron de la consulta directa, online, Google Trends y MEDLINE (vía PubMed), con el uso de los términos Syphilis y Gonorrhea. Las variables estudiadas fueron: volumen de búsqueda relativo (VBR), VBR mensual medio (VBRm), referencias (REF) y REF mensuales medias (REFm). La VBRm para el término Syphilis presentó ligera progresión creciente y ajuste exponencial (R2= 0,05; p= 0,42); Para Gonorrhea la evolución VBRm fue creciente con ajuste lineal (R2= 0,67; p< 0,01). La REFm para la producción científica sobre la Syphilis mostró un ajuste lineal creciente (R2= 0,42; p= 0,01) y para la REFm sobre la Gonorrhea fue un ajuste exponencial creciente (R2= 0,47; p= 0,01). La relación del VBRm para el término Syphilis en relación con su REFm dio una asociación escasa (R= 0,11; p= 0,69). Esta relación para la Gonorrhea mostró una significativa correlación positiva (R= 0,67; p= 0,01). Los resultados obtenidos no permitieron obtener una conclusión firme que contestara el objetivo de este trabajo. A partir de ahora, con un mayor seguimiento, se podrán obtener resultados que confirmen, o no, la asociación entre la búsqueda de información y la producción científica sobre los temas relacionados con la salud(AU)

The purpose of the study was to analyze the association between information search about syphilis and gonorrhea in Google, and the scientific production about these two sexually transmitted infections. A descriptive cross-sectional study was conducted. Data were obtained by direct online consultation of Google Trends and MEDLINE (via PubMed) using the search terms syphilis and gonorrhea. The variables analyzed were relative search volume (RSV), mean monthly RSV (RSVm), references (REF) and mean monthly REF (REFm). The RSVm for the term syphilis showed slight increasing progression and exponential adjustment (R2= 0.05; p= 0.42); while for gonorrhea the RSVm evolution was increasing with linear adjustment (R2= 0.67; p< 0.01). The REFm for the scientific production about syphilis displayed increasing linear adjustment (R2= 0.42; p= 0.01), whereas the REFm for gonorrhea showed increasing exponential adjustment (R2= 0.47; p= 0.01). The association of the RSVm for the term syphilis with its REFm was scant (R= 0.11; p= 0.69), while the term gonorrhea exhibited a significant positive correlation (R= 0.67; p= 0.01). The results obtained were not sufficient to reach a definitive conclusion in response to the aim of the study. From this moment onwards, with greater follow-up, further results may be obtained which will either confirm or disprove the association between information search and scientific production about health topics(AU)

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The scope of this paper is to review the available scientific literature about the effects on health of occupational exposure to Legionella spp. A systematic review of the scientific literature retrieved from the MEDLINE (via PubMed), ISI-Web of Science (Institute for Scientific Information), Cochrane Library, LILCAS and SCOPUS databases through February 2015 was conducted. The key words used were ««Legionnaires' Disease¼ «Legionellosis¼ «Occupational Exposure¼ «Occupational Diseases¼. Two hundred and twenty-two references were retrieved of which, after applying inclusion/exclusion criteria, 13 complete articles were selected. Of these, 9 describe pneumonia, 4 list Pontiac Fever, 1 reveals legionellosis and 3 result in death. The main causative agent of disease in workers exposed was Legionella pneumophila serogroup 1. Legionella spp infection is closely related to professions where there is nebulization with water, mainly among workers subjected to long exposure or even re-exposure. Outbreaks occurs seasonally, especially in the hottest months.

El objetivo es revisar la literatura científica sobre los problemas de salud derivados de la exposición laboral a Legionella spp. Revisión sistemática de la literatura científica recogida en las bases de datos MEDLINE (Pubmed), ISI-Web of Science (Institute for Scientific Information), Cochrane Library Plus, Literatura Latinoamericana de Información en Ciencias de la Salud (LILACS) y SCOPUS, hasta febrero 2015. Los descriptores utilizados fueron: "Legionnaires' Disease" "Legionellosis" "Occupational Exposure" "Occupational Diseases". Se obtuvieron 222 referencias, que tras aplicar los criterios de inclusión y exclusión, se seleccionaron 13 artículos a texto completo. De ellos 9 artículos describen la aparición de neumonía, 4 Fiebre de Pontiac, 1 legionelosis o presunta legionelosis y 3 muerte. El principal agente causal en los profesionales expuestos fue Legionella pneumophila serogrupo 1. La infección por legionela está ligada a las profesiones donde existe nebulización por agua, principalmente en los trabajadores sometidos a largas exposiciones o incluso a la re-exposición. Los brotes se producen de forma estacional, sobre todo en los meses más cálidos.

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Resumen El objetivo es revisar la literatura científica sobre los problemas de salud derivados de la exposición laboral a Legionella spp. Revisión sistemática de la literatura científica recogida en las bases de datos MEDLINE (Pubmed), ISI-Web of Science (Institute for Scientific Information), Cochrane Library Plus, Literatura Latinoamericana de Información en Ciencias de la Salud (LILACS) y SCOPUS, hasta febrero 2015. Los descriptores utilizados fueron: "Legionnaires' Disease" "Legionellosis" "Occupational Exposure" "Occupational Diseases". Se obtuvieron 222 referencias, que tras aplicar los criterios de inclusión y exclusión, se seleccionaron 13 artículos a texto completo. De ellos 9 artículos describen la aparición de neumonía, 4 Fiebre de Pontiac, 1 legionelosis o presunta legionelosis y 3 muerte. El principal agente causal en los profesionales expuestos fue Legionella pneumophila serogrupo 1. La infección por legionela está ligada a las profesiones donde existe nebulización por agua, principalmente en los trabajadores sometidos a largas exposiciones o incluso a la re-exposición. Los brotes se producen de forma estacional, sobre todo en los meses más cálidos.

Abstract The scope of this paper is to review the available scientific literature about the effects on health of occupational exposure to Legionella spp. A systematic review of the scientific literature retrieved from the MEDLINE (via PubMed), ISI-Web of Science (Institute for Scientific Information), Cochrane Library, LILCAS and SCOPUS databases through February 2015 was conducted. The key words used were ««Legionnaires' Disease¼ «Legionellosis¼ «Occupational Exposure¼ «Occupational Diseases¼. Two hundred and twenty-two references were retrieved of which, after applying inclusion/exclusion criteria, 13 complete articles were selected. Of these, 9 describe pneumonia, 4 list Pontiac Fever, 1 reveals legionellosis and 3 result in death. The main causative agent of disease in workers exposed was Legionella pneumophila serogroup 1. Legionella spp infection is closely related to professions where there is nebulization with water, mainly among workers subjected to long exposure or even re-exposure. Outbreaks occurs seasonally, especially in the hottest months.

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OBJECTIVE: To analyze consumer opinion on genetically modified foods and the information included on the label. METHODS: A systematic review of the scientific literature on genetically modified food labeling was conducted consulting bibliographic databases (Medline - via PubMed -, EMBASE, ISI-Web of knowledge, Cochrane Library Plus, FSTA, LILACS, CINAHL and AGRICOLA) using the descriptors "organisms, genetically modified" and "food labeling". The search covered the first available date, up to June 2012, selecting relevant articles written in English, Portuguese or Spanish. RESULTS: Forty articles were selected after applying the inclusion and exclusion criteria. All of them should have conducted a population-based intervention focused on consumer awareness of genetically modified foods and their need or not, to include this on the label. The consumers expressed a preference for non-genetically modified products, and added that they were prepared to pay more for this but, ultimately, the product bought was that with the best price, in a market which welcomes new technologies. In 18 of the articles, the population was in favor of obligatory labelling, and in six, in favor of this being voluntary; seven studies showed the consumer knew little about genetically modified food, and in three, the population underestimated the quantity they consumed. Price was an influencing factor in all cases. CONCLUSIONS: Label should be homogeneous and clarify the degree of tolerance of genetically modified products in humans, in comparison with those non-genetically modified. Label should also present the content or not of genetically modified products and how these commodities are produced and should be accompanied by the certifying entity and contact information. Consumers express their preference for non-genetically modified products and they even notice that they are willing to pay more for it, but eventually they buy the item with the best price, in a market that welcomes new technologies.

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OBJETIVO: Caracterizar la producción científica de la Revista Panamericana de Salud Pública/Pan American Journal of Public Health (RPSP), como publicación científica de referencia en el área de la salud pública en las Américas. MÉTODOS: Estudio descriptivo transversal a partir de los artículos publicados en la RPSP entre 1997 y 2012. Se analizaron indicadores bibliométricos de productividad (documentos publicados, idiomas, autoría, e índices de productividad y colaboración); repercusión (factor de impacto según la Red SciELO, Journal Citation Report y SCImago); palabras clave; y referencias bibliográficas, su estructura (tipo de documento y núcleo principal de Bradford) y grado de obsolescencia (semiperíodo de Burton y Kebler, e índice de Price), entre otros. RESULTADOS: Se publicaron 2 815 artículos con una mediana de 3 autores y 2 instituciones por artículo. La proporción de artículos de investigación original aumentó en 2008-2012 con respecto a 2003-2007 y 1997-2002 (P < 0,001). El idioma predominante fue el español, desplazado por el inglés en los últimos 5 años. De las palabras clave, 88,76% se correspondían con los Descriptores en Ciencias de la Salud (DeCS) y mostraron una orientación salubrista y comunitaria dirigida a las Américas. El semiperíodo de Burton y Kebler de las referencias bibliográficas fue de 8 años, aunque bajó a 5 años en 2012; el índice de Price fue de 20,47%, y el núcleo de Bradford lo conformaron 20 revistas de la corriente principal; el porcentaje de autocitas fue bajo (2,07%). CONCLUSIONES: La RPSP es una publicación internacional con indicadores bibliométricos similares a los de las revistas latinoamericanas más representativas de las ciencias de la salud, con mejoras en los últimos años estudiados que la llevan a cumplir totalmente con los criterios editoriales internacionales.

OBJECTIVE: To characterize the scientific output of the Revista Panamericana de Salud Pública/Pan American Journal of Public Health (RPSP) as a scientific publication of reference in the public health sector in the Americas. METHODS: A descriptive cross-sectional study was conducted based on the articles published in the RPSP from 1997-2012. Bibliometric indicators of productivity (documents published, languages, authorship, and indices of productivity and collaboration); impact (impact factor according to the SciELO Network, Journal Citation Report and SCImago); key words; and bibliographic references, their structure (document type and main nucleus of Bradford) and degree of obsolescence (Burton and Kebler half-life, and Price index), were analyzed. RESULTS: A total of 2 815 articles with a median of 3 authors and 2 institutions per article were published. The percentage of original research articles increased in 2008-2012 compared to 2003-2007 and 1997-2002 (P < 0.001). The predominant language was Spanish, displaced by English in the last 5 years. A total of 88.76% of the key words referred to the Health Sciences Descriptors (DeCS) and had a public health and community orientation related to the Americas. The Burton and Kebler half-life of bibliographic references was 8 years, although it decreased to 5 years in 2012. The Price index was 20.47% and the nucleus of Bradford was made up of 20 mainstream journals. The percentage of self-citation was low (2.07%). CONCLUSIONS: The RPSP is an international publication with bibliometric indicators similar to those of the most representative Latin American health science journals, with improvements in the recent years studied that lead it to fully meet international publishing criteria.

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OBJETIVO : Analizar la opinión que los usuarios tienen sobre alimentos genéticamente modificados y su información en el etiquetado. MÉTODOS : Realizada revisión sistemática de la literatura científica sobre los alimentos transgénicos y el etiquetado a partir de la consulta de las bases de datos bibliográficas: Medline (vía PubMed), EMBASE, ISI-Web of Knowledge, Cochrane Library Plus, FSTA, LILACS, CINAHL y AGRICOLA. Los descriptores seleccionados fueron: «organisms, genetically modified ¼ y «food labeling¼. La búsqueda se realizó desde la primera fecha disponible hasta junio de 2012, seleccionando los artículos pertinentes escritos en inglés, portugués y castellano. RESULTADOS : Se seleccionaron 40 artículos. En todos ellos, se debía haber realizado una intervención poblacional enfocada al conocimiento de los consumidores sobre los alimentos genéticamente modificados y su necesidad, o no, de incluir información en el etiquetado. El consumidor expresa su preferencia por el producto no-genéticamente modificado, y apunta que está dispuesto a pagar algo más por él, pero, en definitiva compra el artículo que está a mejor precio en un mercado que acoge las nuevas tecnologías. En 18 artículos la población se mostraba favorable a su etiquetado obligatorio y seis al etiquetado voluntario; siete trabajos demostraban el poco conocimiento de la población sobre los transgénicos y, en tres, la población subestimó la cantidad que consumía. En todo caso, se observó la influencia del precio del producto genéticamente modificado. CONCLUSIONES : La etiqueta debe ser homogénea y aclarar el grado de tolerancia en humanos de alimentos genéticamente modificados en comparación con los no modificados. Asimismo, debe dejar claro su composición, ...

OBJETIVO : Analisar a opinião dos usuários sobre os alimentos geneticamente modificados e a informação apresentada na etiqueta. MÉTODOS : Foi realizada revisão sistemática da literatura científica sobre os alimentos transgênicos e a informação que eles apresentam na etiqueta a partir da consulta das bases de dados bibliográficos: Medline (via Pubmed), EMBASE, ISI-Web of Knowledge, Cochrane Library Plus, FSTA, LILACS, CINAHL e AGRICOLA. Os descritores selecionados foram: “organisms, genetically modified” e “food labeling”. A busca foi realizada desde a primeira data disponível até junho de 2012, selecionando os artigos pertinentes escritos em inglês, português e espanhol. RESULTADOS : Foram selecionados 40 artigos. Em todos eles, foi feita uma intervenção populacional focada no conhecimento dos consumidores sobre os alimentos geneticamente modificados e a sua necessidade, ou não, de incluir informação na etiqueta. O consumidor expressa a sua preferência pelo produto não- geneticamente modificado, e menciona estar disposto a pagar um pouco a mais por ele, porém, acaba comprando o artigo que esta mais em conta em um mercado que acolhe as novas tecnologias. Em 18 artigos a população mostrou-se favorável ao uso obrigatório da etiqueta e em seis deles, ao uso voluntario da mesma; sete trabalhos demonstraram o pouco conhecimento que a população tem sobre os transgênicos e, em três, a população subestimou a quantidade que consumia desses produtos. Contudo, foi observada a influencia do preço do produto geneticamente modificado. CONCLUSÕES : A etiqueta deve ser homogênea e esclarecer o grau de tolerância para os humanos dos alimentos geneticamente modificados em comparação com os não modificados. Também, ...

OBJECTIVE : To analyze consumer opinion on genetically modified foods and the information included on the label. METHODS : A systematic review of the scientific literature on genetically modified food labeling was conducted consulting bibliographic databases (Medline – via PubMed –, EMBASE, ISI-Web of knowledge, Cochrane Library Plus, FSTA, LILACS, CINAHL and AGRICOLA) using the descriptors “organisms, genetically modified” and “food labeling”. The search covered the first available date, up to June 2012, selecting relevant articles written in English, Portuguese or Spanish. RESULTS : Forty articles were selected after applying the inclusion and exclusion criteria. All of them should have conducted a population-based intervention focused on consumer awareness of genetically modified foods and their need or not, to include this on the label. The consumers expressed a preference for non-genetically modified products, and added that they were prepared to pay more for this but, ultimately, the product bought was that with the best price, in a market which welcomes new technologies. In 18 of the articles, the population was in favor of obligatory labelling, and in six, in favor of this being voluntary; seven studies showed the consumer knew little about genetically modified food, and in three, the population underestimated the quantity they consumed. Price was an influencing factor in all cases. CONCLUSIONS : Label should be homogeneous and clarify the degree of tolerance of genetically modified products in humans, in comparison with those non-genetically modified. Label should also present the content or not of genetically modified products and how these commodities are produced and should be accompanied by the certifying entity and contact information. Consumers express their preference for non-genetically modifiedproducts and they even notice that they are willing to pay more for it, but eventually ...

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OBJETIVO: Evaluar la asociación entre la exposición a los principales contaminantes químicos del agua de consumo humano (ACH) y el aumento de casos de cáncer en menores de 19 años. MÉTODOS: Se realizó una revisión sistemática de la literatura científica recogida en las bases de datos MEDLINE (via PubMed©), EMBASE©, Web of Knowledge, Cochrane Library Plus, Literatura Latinoamericana y del Caribe en Ciencias de la Salud (LILACS), SCOPUS y SCIRUS. Los descriptores utilizados fueron "neoplasms" y "water pollution, chemical", limitado a estudios que incluyeran a menores de 19 años. Se seleccionaron los artículos científicos de cualquier tipo y en cualquier idioma, desde el inicio de la indización de la fuente primaria hasta marzo de 2011. RESULTADOS: Se recuperaron 266 artículos, de los que se seleccionaron 20 tras aplicar los criterios de inclusión y exclusión. Los contaminantes del ACH analizados fueron: arsénico, subproductos de la desinfección, compuestos nitrogenados, derivados del petróleo, plaguicidas agrícolas, radionúclidos, así como otros de origen industrial. La mayoría de los estudios no hallaron una asociación significativa entre la exposición a los contaminantes encontrados en el ACH y el aumento de casos de cáncer en menores de 19 años. En algunas de las poblaciones estudiadas se observó una relación significativa dosis-respuesta en el período de exposición. CONCLUSIONES: Teniendo en cuenta el insuficiente nivel de actualidad de los artículos encontrados, se requieren más estudios dirigidos a conocer el efecto real de la contaminación del ACH en la incidencia de cáncer en la población, en particular en los niños y jóvenes por su mayor susceptibilidad.

OBJECTIVE: To evaluate the association between exposure to the main chemical contaminants in drinking water and the rise in cancer cases among the population under age 19. METHODS: A systematic review was undertaken of the scientific literature compiled in the MEDLINE (via PubMed©), EMBASE©, Web of Knowledge, Cochrane Library Plus, Latin American and Caribbean Literature on Health Sciences (LILACS), SCOPUS, and SCIRUS databases. The descriptors used were "neoplasms" and "water pollution, chemical," limited to studies that included people under age 19. Articles selected were of any type in any language, from the inception of the indexing of the primary source until March of 2011. RESULTS: The search generated 266 articles, from which 20 were selected after applying the inclusion and exclusion criteria. Drinking water contaminants analyzed were arsenic, disinfection byproducts, nitrogen compounds, petroleum derivatives, agricultural pesticides, radionuclides, and others of industrial origin. The majority of the studies did not find a significant link between exposure to drinking water contaminants and the increase in cancer cases in the under-19 population segment. In some of the studied populations a significant dose-response relationship was observed. CONCLUSIONS: Taking into account that the articles located were insufficiently up-to-date, more studies are required in order to know the effect of drinking water contamination on cancer rates, in particular among children and youths, who are more susceptible.

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A Systematic review of articles from peer-reviewed journals was conducted, studying the complete texts in all cases. The key words selected were: "Eating Disorders" and "Internet." Descriptive analysis was performed on the variables selected, and Fisher's Exact test was used to analyze the presence of a linear relationship between qualitative variables. Of the 7 studies reviewed, 5 (71.42%) focused on content criteria and 2 (28.57%) examined both documentary and content criteria. Documentary quality was evaluated using two assessment instruments developed by two of the authors, comprising a set of 20 different variables, 5 of which were common to both studies (25% observed percentage agreement). Fisher's Exact test revealed significant differences between the two questionnaires (p = 0.049). Studies assessing Website content used 30 different topics to classify the subject matter, of which 6 were common to 2 studies. Although generic instruments for assessing the quality of Websites devoted to eating disorders were found, no validated questionnaire was found. This research did not locate any checklist or simple tool which could be used by consumers of health information available on the Web.

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A Systematic review of articles from peer-reviewed journals was conducted, studying the complete texts in all cases. The key words selected were: "Eating Disorders" and "Internet." Descriptive analysis was performed on the variables selected, and Fisher's Exact test was used to analyze the presence of a linear relationship between qualitative variables. Of the 7 studies reviewed, 5 (71.42%) focused on content criteria and 2 (28.57%) examined both documentary and content criteria. Documentary quality was evaluated using two assessment instruments developed by two of the authors, comprising a set of 20 different variables, 5 of which were common to both studies (25% observed percentage agreement). Fisher's Exact test revealed significant differences between the two questionnaires (p = 0.049). Studies assessing Website content used 30 different topics to classify the subject matter, of which 6 were common to 2 studies. Although generic instruments for assessing the quality of Websites devoted to eating disorders were found, no validated questionnaire was found. This research did not locate any checklist or simple tool which could be used by consumers of health information available on the Web.

Revisão sistemática de artigos provenientes de periódicos com revisão por pares, estudando os textos completos em todos os casos. Os Descritores selecionados foram:"Transtornos Alimentares" e "Internet". A análise descritiva foi realizada para as variáveis selecionadas, e o teste exato de Fischer foi usado para analisar a presença de uma relação linear entre variáveis qualitativas. Dos 7 estudos revistos, 5 (71.42%) enfocaram critérios de conteúdo e 2 (28.57%) examinaram tanto critérios documentais e de conteúdo. A qualidade documental foi estudada usando-se dois instrumentos de avaliação desenvolvidos por dois dos autores, compreendendo um conjunto de 20 variáveis diferentes, 5 das quais eram comuns a ambos estudos (25% de percentagem de concordância observada). O teste exato de Fisher revelou significantes diferenças entre os dois questionários (p = 0.049). Apesar de terem sido encontrados instrumentos genéricos para avaliar a qualidade de sites dedicados a transtornos alimentares, nenhum questionário validado foi observado. A pesquisa nem mesmo localizou qualquer checklist ou simples ferramenta que poderia ser utilizada por consumidores de informação em saúde disponível na rede.

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Objective. Determine the extent to which labeling of food products informs about salt consumption. Methods. A critical and systematic analysis was conducted of 9 studies selected outof a total of 133 studies. The studies were collected by reviewing the scientific literature on interventions conducted in the human population aimed towards reducing salt consumption through label messaging. All of the information was obtained bydirect consultation and by Internet from the scientific literature collected in several databases. Results. Out of the 133 articles recovered, after the inclusion and exclusion criteria were applied, 9 studies were selected for review. All of them took into account theability of the study population to interpret and understand salt content labeling in foods. Conclusions. Food consumers understand and value easily recognizable logos more than the information found on nutritional composition labels. Therefore, use ofalternative logos that facilitate this information and are also standardized could be justified. This situation is reinforced because the inclusion of symbols that are easily understandable favors the most adequate choice by consumers.

Objetivo. Determinar el grado en que el etiquetado de productos alimentarios informa acerca del consumo de sal.Métodos. Se realizó un análisis crítico y sistemático de 9 estudios —seleccionados de un total de 133— recogidos mediante revisión de la literatura científica sobre las intervenciones realizadas en población humana orientadas a reducir el consumo de sal a través de mensajes en el etiquetado. Toda la información se obtuvo mediante consulta directa y vía Internet a la literatura científica recogida en varias bases de datos.Resultados. De los 133 artículos recuperados, una vez aplicados los criterios de inclusión y exclusión, se seleccionaron para la revisión 9 trabajos: en todos ellos se planteaba a la población en estudio su conocimiento acerca de la interpretación de la etiqueta sobre el contenido de salde los alimentos. Conclusiones. Los consumidores de alimentos entienden y valoran más a los logotipos que ala composición nutricional que figura en la etiqueta. Se justificaría entonces el uso de logotipos alternativos que facilitaran esta información y que además fueran normalizados. Esta situación se ve reforzada porque la inclusión de símbolos fácilmente entendibles favorece la correcta elección por parte de los consumidores.

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This article reports on a systematic review of articles on food labeling and the prevention of obesity and overweight, in the MEDLINE, EMBASE, Web of Knowledge, Cochrane Library Plus, Food Science and Technology Abstracts, LILACS, and CINAHL databases. The DeCS/MeSH descriptors were obesity and food labeling. 207 articles were retrieved. Using inclusion and exclusion criteria, 14 articles were selected: 11 were on food labeling and its impact on final food product consumption; 2 were on fast food establishments; 1 on sensory attributes as compared to health recommendations; and 2 on follow-up of interventions. Labeling has a positive effect on final food product consumption, in contrast with fast food restaurants. Sensory attributes were more effective than recommendations on the labels. Follow-up of interventions confirmed the long-term effect of the target interventions.

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This article reports on a systematic review of articles on food labeling and the prevention of obesity and overweight, in the MEDLINE, EMBASE, Web of Knowledge, Cochrane Library Plus, Food Science and Technology Abstracts, LILACS, and CINAHL databases. The DeCS/MeSH descriptors were obesity and food labeling. 207 articles were retrieved. Using inclusion and exclusion criteria, 14 articles were selected: 11 were on food labeling and its impact on final food product consumption; 2 were on fast food establishments; 1 on sensory attributes as compared to health recommendations; and 2 on follow-up of interventions. Labeling has a positive effect on final food product consumption, in contrast with fast food restaurants. Sensory attributes were more effective than recommendations on the labels. Follow-up of interventions confirmed the long-term effect of the target interventions.

Revisión de los artículos sobre el etiquetado o la rotulación en la prevención de la obesidad y el sobrepeso. Estudio, mediante técnica sistemática, de los trabajos recuperados mediante revisión bibliográfica. Bases de datos consultadas: MEDLINE, EMBASE, Web of Knowledge, Cochrane Library Plus, Food Science and Technology Abstracts, LILACS y CINAHL. Descriptores DeCS/MeSH: obesity y food labeling. 207 artículos recuperados, mediante los criterios de inclusión y exclusión, se seleccionaron 14: 11 sobre etiquetado y la rotulación en el consumo final del producto; 2 sobre establecimientos de comida rápida. Uno sobre atributos sensoriales en contraste con recomendaciones saludables y 2 realizaron un seguimiento de las intervenciones. El etiquetado y la rotulación tienen efecto positivo en el consumo final de los alimentos, suceso no observado en restaurantes de comida rápida. Los atributos sensoriales fueron más efectivos que las recomendaciones recogidas en el etiquetado. El seguimiento de las actuaciones confirmó el efecto a largo plazo de las intervenciones estudiadas.

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El objetivo del trabajo es estudiar la calidad de las páginas web de asociaciones de personas afectadas por poliomielitis y síndrome postpolio, como uno de los sistemas de intercambio de información y de visibilidad social de las personas con discapacidades físicas. Se realizó un estudio descriptivo de carácter transversal; fueron evaluadas 375 páginas web que cumplían los criterios de inclusión, encontradas a través del motor de búsqueda Google. La calidad fue estudiada a través de 22 variables, 8 de las cuales conforman el "Indicador de Credibilidad". Ninguna de las páginas cumplió con todos los criterios de calidad ni con los 8 puntos del Indicador de Credibilidad. Se observa una correlación positiva entre las variables de calidad y los criterios de credibilidad (r de Pearson = 0,81, p<0,001), por lo que se sugiere el Indicador de Credibilidad como una herramienta útil para determinar la calidad de las páginas web. Su uso debe complementarse con otro tipo de acercamientos cualitativos que exploren el contexto de las relaciones expertos-legos y las funciones que dichas páginas cumplen.

The aim of this paper is to study the quality of the websites of associations for people with polio and post-polio syndrome as an example of an important method for exchanging information and promoting the social visibility of physically disabled people. A descriptive cross-sectional study of 375 sites that met inclusion criteria, found using of the Google search engine, was carried out. The quality was studied through 22 variables, 8 of which make up the "Credibility Indicator". None of the websites met all the quality criteria nor all 8 items in the Credibility Index. A positive correlation between the variables of quality and credibility criteria (Pearson r = 0.81, p<0.001) was observed, therefore the Credibility Index is suggested as a useful tool for determining the quality of the websites. However, this tool must be supplemented with other qualitative approaches that explore both the contexts of lay-expert relationships and the function these sites serve.

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La presencia cada vez mayor de las bases de datos especializadas y su uso generalizado, así como las posibilidades de difusión que las nuevas tecnologías ofrecen, obliga a un análisis pertinente de los documentos. Los lenguajes de indización nacen a raíz del crecimiento de la información generado por la revolución científica, como una forma rápida y normalizada de procesar, almacenar y recuperar los contenidos documentales. Este trabajo examina las características y ventajas de los lenguajes documentales en la era digital describiendo ejemplos de tesauros, y sus correspondientes relaciones jerárquicas, aplicados a los trastornos de la conducta alimentaria.

The increased presence and widespread use of specialized databases, as well as the possibilities for distribution offered by new technologies, require a pertinent method for analyzing documents. Indexing languages emerge from the information growth generated by the scientific revolution as a quick, standardized way to process, store and retrieve document contents. This paper examines the characteristics and advantages of documentary languages in the digital age, describing examples of thesauri and their corresponding hierarchical relationships as applied to eating disorders.

RESUMEN

Excessos: eles fazem parte do espírito de nossa época. E é justamente de excessos de que tratam os autores deste livro. Eles discutem, em especial, os excessos no campo da saúde pública e no território acadêmico, chamando atenção para “a dimensão ideológica que parece rodear muitas abordagens catastrofistas ditas racionais”. Em outras palavras: multiplicam-se estudos científicos que apontam para uma infinidade de riscos à saúde e à vida associados a comportamentos individuais – assim, a ciência respalda a ‘sociedade do risco’, onde as pessoas, de acordo com as mais recentes pesquisas, devem moldar suas condutas para afastar toda e qualquer ameaça. Porém, esta prevenção generalizada – ou hiperprevenção – é inatingível. “Algo que estimula altos teores de ansiedade que marcam a nossa época de modo inapelável”, destacam

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