Since the industrialization and urbanization of the Western workforce, tanned skin has been perceived increasingly as attractive and fashionable for naturally light-skinned individuals. However, in addition to causing tanning, photo-aging, and other health effects, ultraviolet radiation (UV) is a well-known carcinogen. Despite wide-spread awareness of UV risks, tanning has become increasingly popular in several Western countries including the USA. While millions of individuals tan indoors each day, relatively little is known about this phenomenon. This book fills that gap by providing an...