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Search of: "ozone exposure"
Clinical Trials — Pathogenesis and Genetics of Environmental Asthma Ozone Study Genetic Susceptibility to Ozone in Mild Asthmatic Volunteers "ozone exposure" / Open Studies The Effect of Low Level Ozone Exposure on Healthy Volunteers Drug: Etanercept inhibition ...More…
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Health and Environmental Effects of Ozone Layer Depletion
Environmental Protection Agency — Reductions in ozone levels will lead to higher levels of UVB reaching the Earth's surface. The sun's output of UVB does not change; rather, less ozone means less protection, and hence more UVB reaches the Earth. Studies have shown that in the ...More…
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Ozone air purifiers: Can they improve asthma symptoms?
Mayo Clinic — Ozone air purifiers don't reduce asthma symptoms. In fact, they can make asthma worse. Despite manufacturer's claims, ozone air purifiers don't remove particles from the air that may trigger asthma attacks. In fact, inhaled ozone can make ...More…
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Ground-level Ozone / US EPA
Environmental Protection Agency — In the earth's lower atmosphere, ground-level ozone is considered "bad." Motor vehicle exhaust and industrial emissions, gasoline vapors, and chemical solvents as well as natural sources emit NOx and VOC that help form ozone. Ground-level ...More…
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What NIEHS is Doing on Ozone
Environmental Health Sciences — Ozone is a highly reactive form of oxygen. In the upper atmosphere, ozone forms a protective layer that shields us from the sun's ultraviolet rays. At ground level, ozone is a harmful air pollutant and a primary constituent of urban smog. Ozone ...More…
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Ozone, Air Quality, and Asthma
Kids Health — Ground-level ozone and other air pollutants can trigger worsening symptoms and asthma flare-ups. But there are steps you can take to minimize your child's exposure. If your child has asthma, you probably understand triggers - those substances or ...More…
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YourLungHealth.org - The Effects of Ozone Pollution
The term "ozone" has appeared in numerous magazine and newspaper articles and has been a subject of discussion on both radio and television. Despite all the publicity surrounding this term, however, many people are still confused by it. The ...More…
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Ozone air purifiers: Can they improve asthma symptoms?
Mayo Clinic — Ozone air purifiers don't reduce asthma symptoms. In fact, they can make asthma worse. Despite manufacturer's claims, ozone air purifiers don't remove particles from the air that may trigger asthma attacks. In fact, inhaled ozone can make ...More…
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On the Trail of the Missing Ozone
Environmental Protection Agency — Produced by EPA's Region 9 Office in 1993, this book provides an introduction into why we need the ozone layer, the causes of ozone depletion, and some of the actions the world is taking to correct the problem. We hope you enjoy joining our ...More…
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EPA SunWise for Kids: Ozone Layer
Environmental Protection Agency — The ozone layer forms a thin shield high up in the sky. It protects life on Earth from the sun's ultraviolet (UV) rays. In the 1980s, scientists began finding clues that the ozone layer was going away or being depleted. This allows more UV ...More…
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Children and Ozone Air Pollution Fact Sheet
American Lung Association — While exposure to ozone air pollution causes adverse health effects in most people, children are especially susceptible to these effects. Children spend significantly more time outdoors, especially in the summertime when ozone levels are the highest.More…