Contributed by: filbert Monday, August 29 2005 @ 08:52 AM CST
Red hair, red skin[*1] ?
Duke University researchers on Sunday reported the first direct evidence that differences in melanin, the skin pigment that darkens with sun exposure to provide either a tan or freckles, may be a culprit. It turns out that redheads’ melanin is more vulnerable to a type of DNA-damaging stress from the sun’s ultraviolet rays.