Transcription of UV INDEX SOLAR - who.int
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GLOBALSOLAR UV INDEXA Practical GuideGLOBALSOLAR UV INDEXA marked increase in the incidence of skincancers has been observed in fair-skinnedpopulations worldwide since the early1970s. This is strongly associated with personal habits in relation to sun exposureand its ultraviolet (UV) component, and thesocietal view that a tan is desirable Global SOLAR UV INDEX (UVI) describedin this document was developed in aninternational effort by WHO in collaborationwith WMO, UNEP and ICNIRP, and is a simplemeasure of the UV radiation level at theEarth s surface.
Small amounts of UV radiation are beneficial for people and essential in the production of vitamin D. UV radiation is also used to treat several diseases, including rickets, psoriasis
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