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black girl with a purple scarf posing on the terrace
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Black Girl With A Purple Scarf Posing On The Terrace

Skin cancer as a result of ultraviolet light radiation causing mutations in the skin is less common among people with dark skin than it is among those with light skin. Furthermore, dark skin prevents an essential B vitamin, folate, from being destroyed. Therefore, in the absence of modern medicine and diet, a person with dark skin in the tropics would live longer, be healthier and more likely to reproduce than a person with light skin. White Australians have some of the highest rates of skin cancer as evidence of this expectation. Conversely, as dark skin prevents sunlight from penetrating the skin it hinders the production of vitamin D3. Hence when humans migrated to less sun-intensive regions in the north, low vitamin D3 levels became a problem and lighter skin colors started appearing. White people of Europe, who have low levels of melanin, naturally have an almost colorless skin pigmentation, especially when untanned. This low level of pigmentation allows the blood vessels to become visible which gives the characteristic pale pink color of white people. The loss of melanin in white people is now thought to have been caused by a mutation in just one letter out of 3.1 billion letters of DNA.
• Hair
The texture of hair in people of Sub-Saharan African ancestry is noticeably different from that of Eurasian populations, as was already noted by Herodotus, who described the peoples of Libya (the "western Ethiopians") as wooly-haired.
Such "afro-hair" texture is denser than its straight counterparts. Due to this, it is often referred to as 'thick', 'bushy', or 'woolly'. For several reasons, possibly including its relatively flat cross section (among other factors), this hair type conveys a dry or matte appearance. It is also very coarse, and its unique shape renders it very prone to breakage when combed or brushed.

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Filename:425727.jpg
Album name:Babes
Rating (1 votes):55555
Keywords:#black #girl #purple #scarf #posing #terrace
Filesize:99 KiB
Date added:Oct 22, 2011
Dimensions:682 x 1005 pixels
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