Safe Sun Tanning News Sun tanning describes a darkening of the skin (especially of fair-skinned individuals) in a natural physiological response stimulated by exposure to ultraviolet radiation from sunshine (or a sunbed). With excess exposure to the sun, a suntanned area can also develop sunburn.<br> <br> Tue, 16 Jan 2007 17:14:42 +0000 Tue, 16 Jan 2007 17:14:23 +0000 FeedForAll v1.0 (