Health effect
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'''Health effects''', '''health impacts''' or '''health risks''' are changes in [[health]] resulting from exposure to a source. Health effects are an important consideration in many areas, such as [[hygiene]], [[pollution]] studies, [[workplace safety]], [[nutrition]] and [[health sciences]] in general. Some of the major environmental sources of health effects are [[air pollution]], [[water pollution]], [[soil contamination]], [[noise pollution]] and [[over-illumination]].
A non-[[stochastic]] or deterministic health effect has a severity that is dependent on dose and is believed to have a threshold level for which no effect is seen. Stochastic health effects occur by chance, generally occurring without a threshold level of dose, whose [[probability]] is proportional to the dose and whose severity is independent of the dose, such as [[cancer]] and genetic effects.
==See also==
* [[Material safety data sheet]]
* [[Risk factor]]
* [[Health effector]]
==Sources==
*[http://www.nrc.gov/reading-rm/basic-ref/glossary/full-text.html Nuclear Regulatory Commission - Glossary]
[[Category:Health effectors|Effect]]
[[Category:Pollution]]
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