Fecundity of Biomphalaria straminea and B. glabrata in the laboratory: a twelve-month comparative study

In the present comparative study a Biomphalaria straminea sample from Picos (Piauí) showed expressive advantages related to fecundity over a B. glabrata sample from Belo Horizonte (Minas Gerais) such as: higher egg-mass production in 10 out of 12 months of study; higher egg production in all months of study; higher egg per egg-mass ratio in 11 out of 12 months of study; 66% of the egg-masses containing more than 20 eggs while in B. glabrata 70% of the egg-masses showed less than 20 eggs; three times less empty egg capsules than B. glabrata; attainning maximum fecundity in half the time required by B. glabrata. Mortality however was higher and sooner in B. straminea, suggesting higher semelparity in this species than in B. glabrata, a possibility that requires confirmation through long-term studies with other samples of both species. This first finding of a B. straminea sample more fecund than B. glabrata is discussed in relation to other data from the literature, and some recommendations are made on the quantification of fecundity of planorbid snails

Perceptions of primary healthcare professionals towards their role in type 2 diabetes mellitus patient education in Brazil

<p>Abstract</p> <p>Background</p> <p>The aim of the current study was to analyze the perceptions, knowledge, and practices of primary healthcare professionals in providing patient education to people with type 2 diabetes mellitus.</p> <p>Methods</p> <p>A total of 23 health professionals working in primary healthcare units in Belo Horizonte, Minas Gerais State, Brazil, participated in a focus group in order to discuss their patient education practices and the challenges for effective patient education in diabetes self-management.</p> <p>Results</p> <p>The results were categorized as follows: 1) lack of preparation and technical knowledge among the health professionals on some aspects of diabetes mellitus and the health professionals' patient education practices; 2) work conditions and organization; 3) issues related or attributed to the clientele themselves; and 4) diabetes care model.</p> <p>Conclusions</p> <p>This study highlights the importance of reorienting the patient education practices, health professionals' skills and work goals, and evaluation of the educational interventions, in order to establish strategies for health promotion and prevention and control of the disease.</p> <p>Descriptors</p> <p>Health Education; Prevention of Diabetes Mellitus; Primary Healthcare</p

Propaganda de inseticidas: estratégias para minimização e ocultamento dos riscos no ambiente doméstico

Este trabalho tem como objetivo fazer uma análise e propor uma discussão sobre as estratégias adotadas pelas propagandas de inseticidas para uso no ambiente doméstico, e suas implicações para a saúde pública. Foram analisadas peças publicitárias de inseticidas veiculadas na mídia televisiva no período de 2008 a 2010. Como critério de seleção das peças, foram escolhidas quatro peças publicitárias de inseticidas que foram ao ar em dois canais de TV aberta, nos horários da manhã e da noite, ao longo do período citado. Para a análise dessas peças, utilizou-se a observação da propaganda na TV. O método utilizado foi a análise de conteúdo. As categorias geradas pela análise foram: apelo ao status do usuário; ocultação e minimização dos riscos; símbolos de modernidade e cientificidade; representações de um mundo asséptico; e representações de força, poder e controle. Concluímos, então, que todas as propagandas analisadas utilizaram estratégias que ocultam os riscos toxicológicos dos inseticidas no ambiente doméstico e não cumprem a legislação brasileira