BACKGROUND: The Chilean Metropolitan region is exposed to nitrogen dioxide levels that are above the WHO Air Quality Guidelines. AIM: To report the exposure to nitrogen dioxide levels and to estimate the damage that these levels can cause in health. MATERIAL AND METHODS: Description of nitrogen dioxide l...
El nitrógeno (N) es un gas sin olor, color ni sabor, que constituye el 78% del aire atmosférico, y en concentraciones dentro de límites normales, no es perjudicial para la salud. Su importancia como contaminante deriva de su capacidad de combinación con el oxígeno para formar diversos óxidos de nit...
Summary Objective: The aim of this study was to estimate the association between expo sure to air pollutants and hospitalization for pneumonia among children in a medium-sized city located in the sugar cane plantation region of São Paulo State. Methods: An ecological time-series study was conducted wi...
