pollutant

RESULTS: In single-pollutant models, we observed significant associations of daily deaths with all pollutants. The [O.sub.3] coefficient was highly sensitive to the degree of smoothing of time trends.

low doses, scientists will continue to miss important health impacts--both bad and good--of pollutants, drugs, and other agents.

Burning fossil fuels, such as coal and oil, emits air pollutants. U.S.

In a study of 7,000 cancer cases among children in California between 1988 and 1994, researchers looked for a correlation with the level of exposure to 25 hazardous air pollutants. Using U.S.

SMOG: Smog is one of the several forms of air pollutants that cause harm to human functioning.

The joint research team confirmed five airborne pollutants such as fine dust, nitrogen dioxide, nitrogen monoxide, sulfur dioxide and ozone can decrease the external fertilization by 10 percent when air pollution increases by 50 percent more than the average.

Most epidemiologic studies of the health effects of ambient air pollution have focused on adverse effects associated with single pollutants. In reality, humans are simultaneously exposed to a complex mixture of pollutants that can vary both spatially and temporally (Dominici et al.

Thus selected high-pollution days in the period 2007-2013 on the basis of two co pollutants and PM10.

Brigitte Le Magueresse-Battistoni, a researcher involved in the work from the French National Institute of Health and Medical Research (INSERM), said that this study adds evidences for rethinking the way of addressing risk assessment especially when considering that the human population is widely exposed to low levels of thousands of chemicals, and that the health impact of realistic mixtures of pollutants will have to be tested as well.

Four residents of Winneshiek County, Iowa, have filed suit against the Environmental Protection Agency, charging that EPA is not doing its job of regulating air pollutants emitted from concentrated animal feeding operations.