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Article: Ultraviolet radiation: human exposure and health risks.(Cover Story)
- Article from:
- Journal of Environmental Health
- Article date:
- September 1, 1998
- Author:
CopyrightCOPYRIGHT 1998 National Environmental Health Association. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Introduction
Ultraviolet radiation (UVR) is one portion of the electromagnetic radiation (EMR) spectrum. EMR consists of oscillating electric and magnetic fields that can be propagated both in free space and in matter (1). The main groupings of the EMR spectrum (in order of increasing wavelength) are as follows:
* cosmic and gamma rays,
* X-rays,
* ultraviolet radiation,
* visible radiation,
* infrared radiation,
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