This Article  • Full text  • PDF  • Spanish PDF  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Contact me when this article is cited  Related Content  • Related article  • Similar articles in JAMA  Social Bookmarking   What's this?

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Ozone is a colorless gas that can be found in the upper atmosphere about 20 to 30 miles above the earth where it acts as a protective shield. Ozone prevents some of the sun's cancer-causing ultraviolet rays (rays with a wavelength between that of visible light and x-rays) from reaching the earth's surface. But when ozone forms near the surface of the earth, it can be harmful. If ozone is breathed in, it reacts with the tissues of the lung and can cause symptoms. When ozone levels are high, individuals with asthma often experience a harder time breathing, may have more asthma attacks, and need to use more medications. The October 8, 2003, issue of JAMA includes an article on the health effects of ozone among children with asthma.

Ozone is formed through chemical reactions involving hydrocarbons and nitrogen oxide (types of pollution) and sunlight on calm summer days. Ozone . . . [Full Text of this Article]

SOME EFFECTS OF OZONE

Sharon Parmet, MS, Writer; Cassio Lynm, MA, Illustrator; Richard M. Glass, MD, Editor

CiteULike    Connotea    Del.icio.us    Digg    Reddit    Technorati    Twitter     What's this?

RELATED ARTICLE

Association of Low-Level Ozone and Fine Particles With Respiratory Symptoms in Children With Asthma
, , , , , , and
JAMA. ;290():1859-1867.
FULL TEXT