| http://www.w3.org/ns/prov#value | - Baron's team examined facial skin of 130 twins, 18 to 77 years old, who lived mostly in the northern Midwest and Eastern regions of the U.S who were attending the Twins Days Festival in Ohio in August 2002.At this time, each of the twins also separately reported how their skin burned or tanned without sunscreen, their weight, and their history of skin cancer, smoking, and alcohol drinking.
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