Psychoactive substance consumption after the Fundão dam mine tailing disaster in Minas Gerais State, Brazil.

Disasters cause changes in morbidity, mortality, and medicine use. Brazil is one of the main producers of mineral ores at great environmental cost. Mine tailings are stored in dams and ruptures have led to major disasters.

Racial disparities in breast cancer survival after treatment initiation in Brazil: a nationwide cohort study.

Background: Breast cancer is a public health priority in Brazil and ensuring equity in health care is one of the cancer control plan goals. Our aim was to present the first assessment on the influence of race or skin colour on breast cancer survival at the national level.

Methods: In this nationwide cohort study, data on women who initiated treatment for breast cancer in the public health-care system (Sistema Unico de Saúde), Brazil, were assembled through record linkage of administrative and mortality information systems.

Comorbidities and in-hospital death of viral pneumonia adults admitted to SUS (2002-2015).

Objective: To identify demographic and clinical characteristics of adult patients hospitalized in the Brazilian Unified Health System (SUS) due to viral pneumonia and investigate the association between some comorbidities and death during hospitalization.

Methods: This retrospective cohort study was conducted with secondary data of adults admitted to SUS due to viral pneumonia between 2002 and 2015. Patient profile was characterized based on demographic and clinical variables.

[Assessment of Brazilian clinical guidelines in oncology: gaps in drafting, applicability, and editorial independence].

The expansion in the variety of clinical guidelines in oncology is perceptible worldwide, highlighting the need to guarantee the quality of these documents. The study thus aimed to assess the quality of Brazilian national guidelines for treatments of breast, prostate, and colon and rectal cancers. We selected 12 Brazilian guidelines published by four different drafting groups (Ministry of Health, Supplementary Health System, and medical societies and associations), and the AGREE II instrument was applied.

Integrated biomarker responses in oysters Crassostrea gasar as an approach for assessing aquatic pollution of a Brazilian estuary.

The Laguna Estuarine System (LES), southern Brazil, suffers impacts from anthropogenic activities, releasing contaminants into the ecosystem. This study evaluated changes in biochemical and molecular biomarkers and contaminants concentrations in oysters Crassostrea gasar transplanted and kept for 1.5 and 7 days at three potentially contaminated sites (S1, S2, and S3) at LES.