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young red haired girl portrait
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Young Red Haired Girl Portrait

Melanin in the skin aids UV tolerance through suntanning, but fair-skinned persons lack the levels of melanin needed to prevent UV-induced DNA-damage. Studies have shown that red hair alleles in MC1R increase freckling and decrease tanning ability. It has been found that Europeans who are heterozygous for red hair exhibit increased sensitivity to UV radiation.
Red hair and its relationship to UV sensitivity are of interest to many melanoma researchers. Sunshine can both be good and bad for a person's health and the different alleles on MC1R represent these adaptations. It also has been shown that individuals with pale skin are highly susceptible to a variety of skin cancers such as melanoma, basal cell carcinoma, and squamous cell carcinoma. Due to this sensitivity many people have advised redheads to wear sunscreen.

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Filename:626910.jpg
Album name:People & Humanity
Rating (1 votes):55555
Keywords:#young #red #haired #girl #portrait
Filesize:69 KiB
Date added:Jun 02, 2014
Dimensions:700 x 466 pixels
Displayed:164 times
URL:displayimage.php?pid=626910
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