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Although it is true that eumelanin has antibacterial properties, its importance is secondary as a physical absorbed to protect against UVR induced damage. Stylish beautiful woman in stilettoes posing topless looking back seductively at the camera over her shoulder Ethnic woman in spa relaxing on massage table.

Dark skin is a naturally occurring human skin color that is rich in eumelanin pigments and having a dark color. Emma stone tits. Stylish Makeup, manicure and accessories. Naked dark skin women. Profile view of a serious young dark-skinned woman with naked shoulders posing on a white background Woman relaxing. Retrieved from " https: Retrieved 5 November Certainly dark skin is present all over the world in different populations.

Portrait of nice dark-haired young woman, against background of summer green park. Retrieved 1 January Due to natural selection, people who lived in areas of intense sunlight developed dark skin colouration to protect against ultraviolet UV light and to protect their body mainly from folate depletion. Serum folate is broken down by UV radiation or alcohol consumption. Solar radiation heats up rather the body's surface and not the interior. Brunette nude pics. Close up shot of pretty girl with perfect teeth and dark clean skin having rest indoors, smiling happily after received good positive news.

The term black initially has been applied as a reference to the skin pigmentation of the aborigines of Australia; today it has been embraced by aboriginal activists as a term for shared culture and identity, regardless of skin colour. Languages Bahasa Indonesia Edit links. Vitamin D deficiency is most common in regions with low sunlight, especially in the winter. Portrait of a young black woman, afro hairstyle, in urban background.

Retrieved 14 December Save to Collection Create your free account to use Collections Save and organize all the images you need for your projects with Collections. Portrait of a happy and smiling young dark-skinned woman with naked shoulders posing on a white background Happy woman. The dark pigmentation protects from DNA damage and absorbs the right amounts of UV radiation needed by the body, as well as protects against folate depletion. Portrait of a young beautiful dark-skinned woman with naked shoulders posing on a white background Beautiful woman.

The primary factor contributing to the evolution of dark skin pigmentation was the breakdown of folate in reaction to ultraviolet radiation ; the relationship between folate breakdown induced by ultraviolet radiation and reduced fitness as a failure of normal embryogenesis and spermatogenesis led to the selection of dark skin pigmentation.

Back to search Esc. It has been found that folate may have been the driving force behind the evolution of dark skin. Dark skin offers great protection against UVR because of its eumelanin content, the UVR-absorbing capabilities of large melanosomes, and because eumelanin can be mobilized faster and brought to the surface of the skin from the depths of the epidermis. British Journal of Dermatology. Deformities of the female pelvis related to severe rickets impair normal childbirth, which leads to higher mortality of the infant, mother, or both.

Smiling young Arican woman posing against a dark background. Porn actress escort. Coupon cannot be used toward the purchase of gift certificates. Darkly pigmented, eumelanin-rich skin protects against DNA damage caused by the sunlight.

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This page was last edited on 19 Mayat Scientists have long assumed that humans evolved melanin in order to absorb or scatter harmful sun radiation.

Portrait of a dark-skinned girl. Khloe kardashian naked candy video. Find the right design. Qasim Mehdi, Mark G. This disease in the past was commonly found among dark-skinned Americans of the southern part of the United States who migrated north into low sunlight environments.

Young attractive dark-skinned college student wearing tank top and jeans sitting on the lawn at campus on sunny day, working on her thesis using laptop computer, looking busy and concentrated. Create a design Upload your design Make money. The New England Journal of Medicine.

Spreadshirt uses your e-mail address solely to send you informational e-mails. Among these dark brown-skinned autochthonous groups are the MahraSoqotriQara and Janaba, who speak south Semitic languages. Naked dark skin women. Although it is true that eumelanin has antibacterial properties, its importance is secondary as a physical absorbed to protect against UVR induced damage. Sexy girls in tights. Indigenous Australians, indigenous peoples of India, indigenous peoples of Africa are all very darkly pigmented even though they're not particularly closely related.

Smiling dark-skinned woman receiving a back massage. Portrait of a beautiful natural young African woman smiling.

Portrait of a happy young dark-skinned woman with naked shoulders posing on a white background Smiling and beautiful. Sub-Saharan Africa is the region in Africa situated south of the Sahara where a large number of dark-skinned populations live.

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Profile view of a beautiful young dark-skinned woman with naked shoulders posing on a white background Beautiful woman. These words define the brand, as we recognizes and celebrate the beauty and individuality of different skin tones. This is remarkable given that the number of polymorphisms for almost all genes in the human gene pool is greater in African samples than in any other geographic region. This helps the body to retain its folate reserves and protects against damage to the DNA.

Color Composition Any Color Monochrome. Retrieved 24 January Only Editorial Filters by editorial images, which excludes images with model releases. Sexy escort pics. Journal of Public Health. So, for the past 8 months I have been preparing for the launch of my new fashion brand; Shades of Mia Mina. A model look woman in long black dress is walking outdoors on a sunny summer day. Not valid in combination with the volume discount. Journal of the Royal Anthropological Institute. Dark-skinned people having a high body-mass index and not taking vitamin D supplements were associated with vitamin D deficiency.

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