Sunlight, Vitamin D, and Health (Part 1)

Johnston, S. Laurance
June 2005
PN;Jun2005, Vol. 59 Issue 6, p70
Trade Publication
This article describes some of the sun's healing benefits and how they are mediated through vitamin-D metabolism. Although dermatologists advocate avoiding sunlight in order to prevent skin damage, a growing body of science suggests the sun exerts many healing benefits. Epidemiologists estimate at least 55 men die prematurely from prostate cancer from too little sun for every man who dies from too much sun. Sunlight is composed of electromagnetic radiation of varying wavelengths, ranging from the long-wavelength infrared light to the short-wavelength ultraviolet.


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