disadvantages of having dark skin
This accounts for the fact that dark-skinned people get visibly darker after one or two weeks of sun exposure, and then lose their colour after months when they stay out of the sun.  The stratum corneum of people with dark or heavily tanned skin is more condensed and contains more cornified cell layers than in lightly-pigmented humans. Keratocytes from dark skin cocultured with melanocytes give rise to a melanosome distribution pattern characteristic of dark skin. While I personally love both, did you know having one over the other has actual scientific pros and cons?  For the same body region, light- and dark-skinned individuals have similar numbers of melanocytes (there is considerable variation between different body regions), but pigment-containing organelles, called melanosomes, are larger and more numerous in dark-skinned individuals. Scientists have long assumed that humans evolved melanin in order to absorb or scatter harmful sun radiation. Folate also plays an important role in the development of many neurotransmitters, e.g. Rich in vitamins A, B1, C, D and E, plus iron and calcium, chocolate nourishes your skin from the inside out to replace lost moisture. Fact #5: When you have dark skin, you need to approach laser hair removal with caution . Skin color among South Indians is on average darker than North Indians. At times, individuals with more sweat glands were born. Wrong. *inability to use different color make up without looking like a … Don’t believe me? Indigenous populations' skin reflectance (the amount of sunlight the skin reflects) and the actual UV radiation in a particular geographic area is highly correlated, which supports this idea. , Humans with dark skin pigmentation have skin naturally rich in melanin (especially eumelanin), and have more melanosomes which provide superior protection against the deleterious effects of ultraviolet radiation.  The western end of Melanesia from New Guinea through the Solomon Islands were first colonized by humans about 40,000 to 29,000 years ago.  Dark-skinned groups on the continent have the same receptor protein as Homo ergaster and Homo erectus had. In the heat of the savannas, better cooling mechanisms were required, which were achieved through the loss of body hair and development of more efficient perspiration. , Due to natural selection, people who lived in areas of intense sunlight developed dark skin colouration to protect against ultraviolet (UV) light, mainly to protect their body from folate depletion. , A 1978 study examined the effect of sunlight on folate—a vitamin B complex—levels. The islands of Melanesia are located immediately north and northeast of Australia as well as east coast of Papua New Guinea. This does not mean, however, that you should avoid using sunscreen. With less hair, sweat could evaporate more easily and cool the bodies of humans faster. Water reflects, depending on colour, about 10 to 30% of UVR that falls on it. Regardless of skin tone, dermatologists recommend … Exfoliate regularly! Here are … , There is a correlation between the geographic distribution of UV radiation (UVR) and the distribution of skin pigmentation around the world.  Because the skin is protected by the melanin, dark-pigmented people have a lower chance of developing skin cancer and conditions related to folate deficiency, such as neural tube defects. Pale skin does not and therefore is absent that color. Dark skin is a type of human skin color that are rich in melanin pigments, especially eumelanin. , Sub-Saharan Africa is the region in Africa situated south of the Sahara where a large number of dark-skinned populations live. Higher amount of vitamin D intake for dark-skinned people living in regions with low levels of sunlight are advised by doctors to follow a vitamin D-rich diet or take vitamin D supplements, although there is recent evidence that dark-skinned individuals are able to process vitamin D more efficiently than lighter-skinned individuals so may have a lower threshold of sufficiency. Cook-Bolden believes that contrary to its bad rep, laser hair removal is actually one of the safest options as long as you approach your laser with caution. Read on to see the summary from “Write Your Skin A Prescription For Change by Katie Rodan and Kathy Fields”.  In addition, recent studies have linked vitamin D deficiency to autoimmune diseases, hypertension, multiple sclerosis, diabetes and incidence of memory loss. Having more melanin in your skin means that you have a little more protection from the sun, and you may be less prone to premature signs of aging. Mainy, as mentioned, with regards to aging, skin cancer risk, and proper bone development risk.  Mohamoud (2006) likewise observed that their Somali samples were genetically more similar to Arab populations than to other African populations. Vitamin D is needed to maintain healthy bones and to absorb calcium. Solar radiation heats up the body's surface and not the interior. • Following trauma, darker skin is more prone to keloid-type scars and post-infammatory hyperpigmentation. An advantage of having darker skin, is that dark skin people have melanin which is a permanent sunscreen, this can reduce the risk of getting skin cancer, a disadvantage of having dark skin is that it increases susceptibility of osteoporosis. Melanin is derivative of the amino acid tyrosine. , In the world, blond hair is exceptionally rare outside Europe and Southwest Asia, especially among dark-skinned populations. A dark-skinned person requires about six times as much UVB than lightly-pigmented persons. This is mainly because of the weather conditions in South Asia—higher UV indices are in the south. For example, Wilson et al. Genetic evidence also supports this notion, demonstrating that around 1.2 million years ago there was a strong evolutionary pressure which acted on the development of dark skin pigmentation in early members of the genus Homo. , Although darkly-pigmented skin absorbs about 30 to 40% more sunlight than lightly-pigmented skin, dark skin does not increase the body's internal heat intake in conditions of intense solar radiation. • Lighter skin has a thinner fat layer which can cause a more gaunt appearance with aging.  Heavily pigmented melanocytes have greater capacity to divide after ultraviolet irradiation, which suggests that they receive less damage to their DNA. By the time modern Homo sapiens evolved, all humans were dark-skinned. , Dark-skinned people living in low sunlight environments have been recorded to be very susceptible to vitamin D deficiency due to reduced vitamin D synthesis. As natural selection favours individuals with traits of reproductive success, skin cancer had little effect on the evolution of dark skin. There are certain ingredients in these products that worsen age spots or give a dark shade to your skin. I’m sure it doesn’t apply to everyone =). This resulted in the development of tanning industry in several countries. These are just some of the pros and cons listed in the book. The speed of change is also affected by clothing, which tends to slow it down. , Dark-skinned people who live in high latitudes with mild sunlight are at an increased risk—especially in the winter—of vitamin D deficiency. And while most skin discolorations are dark, some can result in a lighter skin color. From Light to Dark to Varied People need to realize that “dark” skin is the human norm.  The effect of sunlight on folic acid levels has been crucial in the development of dark skin. , Studies have found that even serious sunburns could not affect sweat gland function and thermoregulation. You do not experience photoaging: Fine and deep wrinkles, broken blood vessels on the nose and cheeks, freckles, age spots and rough scaly spots called keratosis are commonly seen in white skinned individuals with long term sun exposure. , Dark-skinned humans have high amounts of melanin found in their skin. Pros Of Having A Medium/Dark Complexion • Just as most of you have said, a darker skin tone does help to hide redness. I have to use a glycolic acid toner to help with dead skin cells and all the acne scars are taking forever to heal. These differences depend in part on general distance from the equator, illustrating the complex interactions of evolutionary forces which have contributed to the geographic distribution of skin color at any point of time. , Skin colour seems to vary mostly due to variations in a number of genes of large effect as well as several other genes of small effect (TYR, TYRP1, OCA2, SLC45A2, SLC24A5, MC1R, KITLG and SLC24A4). , Another group of hypotheses contended that dark skin pigmentation developed as antibacterial protection against tropical infectious diseases and parasites.  For humans with dark skin in climates of low UVR, it can take about two hours to produce the same amount of vitamin D as humans with light skin produce in 15 minutes. Light skin is a human skin color, which has little eumelanin pigmentation and which has been adapted to environments of low UV radiation. My tip to correct this problem? "From White Man to Redskin: Changing Anglo-American Perceptions of the American Indian". Pros Of Having A Medium/Dark Complexion 87 (4): 918. doi:10.2307/1857900. Premature Aging.  The presence of pheomelanin in light skin increases the oxidative stress in melanocytes, and this combined with the limited ability of pheomelanin to absorb UVR contributes to higher skin cancer rates among light-skinned individuals. , Genetic tests show significant Austronesian influence, theorizing that Amazonian Indians and Austronesians both diverged from common ancestor. Scientists originally believed that such shifts in pigmentation occurred relatively slowly. , The indigenous Papuan people of New Guinea have dark skin pigmentation and have inhabited the island for at least 40,000 years. Regardless of skin colour, humans have excellent capabilities to dissipate heat through sweating. , Native South Americans and Mesoamericans are also typically considered dark-skinned, ranking similarly to African and Oceanian populations in regards to Ala111 presence. Free radicals have been implicated as the cause of widespread damage to human cells.  About 7 million years ago human and chimpanzee lineages diverged, and between 4.5 and 2 million years ago early humans moved out of rainforests to the savannas of East Africa.  Melanin is produced inside small membrane-bound packages called melanosomes.  Folate plays an important role in DNA production and gene expression. This helps the body to retain its folate reserves and protects against damage to DNA. Areas that are further away from the equator and generally closer to the poles have a lower concentration of UVR and contain lighter-skinned populations. Dalits had, on average, the darkest skin.  According to scientific studies, populations in Africa also have the highest skin colour diversity. TwT, I agree with dark skin ! She also found that folate was crucial to sperm development; some male contraception drugs are based on folate inhibition. , South Asia has some of the greatest skin color diversity outside of Africa. Modern humans are often ignorant of their evolutionary history at their peril. Furthermore, this amount of heat is negligible compared to the heat produced when muscles are actively used during exercise. The more they could forage, the more and healthier offspring they could produce, and the higher the chance they had to pass on their genes for abundant sweat glands. Lemon juice is one of the most popular home remedies for skin care. Nina Jablonski, a professor of anthropology and expert on evolution of human skin coloration, found several cases in which mothers' visits to tanning studios were connected to neural tube defects in early pregnancy. Serum folate is broken down by UV radiation or alcohol consumption. In India, popular skin-bleaching lines target both women and men with dark skin. The most prevalent disease to follow vitamin D deficiency is rickets, the softening of bones in children potentially leading to fractures and deformity. It has been found that folate may have been the driving force behind the evolution of dark skin. One of the worst disadvantages caused by cosmetic products is cancer if not used or applied carefully and by checking. Dark-skinned people having a high body-mass index and not taking vitamin D supplements were associated with vitamin D deficiency. No wonder, I came across an advert in which a Chinese lady put a dark man into a washing machine and the end result was a white man whom she adored. Yesterday, I asked you ladies to share your take on having a light versus dark complexion. A combination of protein-heavy diets and summer snow reflection have been speculated as favouring the retention of pigmented skin. Only 100–200 generations ago, the ancestors of most people living today likely also resided in a different place and had a different skin color. Due to their similar phenotype and the location of New Guinea being in the migration route taken by Indigenous Australians, it was generally believed that Papuans and Aboriginal Australians shared a common origin. A few million years of evolution later, early humans had sparse body hair and more than 2 million sweat glands in their body. As a consequence there are many health implications that are the product of population movements of humans of certain skin pigmentation to new environments with different levels of UVR. This is not a problem near the equator; however, it can be a problem at higher latitudes. She bought creams, facewash and soaps for treating “skin fairness problems”, spending Rs 200–300 every two months – equivalent to a week’s worth of travel to her college . However, in some countries, dark skin is not seen as highly desirable or indicative of higher class, especially among women. Oxford University Press. A great way to prevent and get rid of ingrowns is the homemade TendSkin receipe that I swear by! This hypothesis is not consistent with the evidence that most of the hominid evolution took place in savanna environments and not in tropical rainforests. Slaughter-Acey also checked to see how prenatal care use possibly varied across African American women with light brown, medium brown, or dark brown skin complexions.  Low vitamin D levels have also been linked to impaired immune system and brain functions. Your darker skin allows you to spend a much longer time on the beach and you probably have never ever experienced any blister due to sunlight. Again, exfoliation is the key here. I just made myself sad. Not only skin issues, the application of bleaching products could impair skin’s ability to heal from an injury, lesion or rash.  Modern humans are often ignorant of their evolutionary history at their peril. Pooja Kannan, 27, from Mumbai, spent years buying cosmetics that promised to lighten her complexion. Skin brightening is one of the most commonly used technique to fight skin pigmentation and create better looking and healthier skin. But the darker your skin, the harder it is to maintain adequate vitamin D. In studies comparing dark and light-skinned residents of northern cities, paler people had higher vitamin D levels throughout the year. Natural stimulant. What it is: Sometimes referred to as “photoaging,” premature aging is the result of … Though moderate tea consumption is a very healthy choice for most people, exceeding 3–4 cups (710–950 ml) per day could have some negative side effects.  High ultraviolet radiation levels occur throughout the Andes region of Peru, Bolivia, Chile, and Argentina. As a consequence there are many health implications that are the product of population movements of humans of certain skin pigmentation to new environments with different levels of UVR. UV rays can strip away folate, which is important to the development of healthy foetuses. • Light skin is more prone to sunburn so all you PPPs out there, make sure you use sunblock with at least SPF 30 religiously! , Advantages of dark skin pigmentation in high sunlight environments, Disadvantages of dark skin pigmentation in low sunlight environments. Their are soooo many disadvantages. Despite early migrations, genetic evidence has pointed out that the indigenous peoples of Australia are genetically very dissimilar to the dark-skinned populations of Africa and that they are more closely related to Eurasian populations. If you are starting to experience age spots, or have dark areas on the skin, a mixture of the oil applied frequently is very effective for skin lightening. there are more disadvantages to darker skin? A study of caste populations in the Gangetic Plain found an association between the proportion of dark skin and ranking in the caste hierarchy. This does not take into account the effects of epistasis, which would probably increase the number of related genes. Look it up. From the above list, yes it does seem that way but guess what, darker skin has a HUGE advantage over paler skin too – it ages better!  Vitamin D plays an important role in regulating the human immune system and chronic deficiencies in vitamin D can make humans susceptible to specific types of cancers and many kinds of infectious diseases. , In people with naturally occurring dark skin, the tanning occurs with the dramatic mobilization of melanin upward in the epidermis and continues with the increased production of melanin.  Chronic deficiencies in vitamin D may also be linked with breast, prostate, colon, ovarian, and possibly other types of cancers. i understand the curly hairs, but dark skin ? Type dark skin or light skin into Twitter and you will seecolourismin action. , More recent research has found that human populations over the past 50,000 years have changed from dark-skinned to light-skinned and vice versa. It was harder to get food in the hot savannas and as mammalian brains are prone to overheating—5 or 6 °C rise in temperature can lead to heatstroke—so there was a need for the development of better heat regulation. Save my name, email, and website in this browser for the next time I comment. Folate is a water-soluble vitamin B complex which naturally occurs in green, leafy vegetables, whole grains, and citrus fruits. Melanoma and Dark Skin. • Dead skin cells are more visible on darker skintones, thus creating an ashy appearance. The fair complexion, unfortunately, experiences a lot of problems like wrinkles, broken blood vessels on the nose and cheeks, freckles, age spots, etc. The skin takes a very large amount of ultraviolet radiation. , Darkly-pigmented skin protects against direct and indirect DNA damage. Today, darker skin is viewed as fashionable and as a sign of well-being in some societies.  Populations with light skin pigmentation evolved in climates of little sunlight. This means that the skin treated with laser will end up being a lighter, pinker color than the rest of your face.  The antimicrobial hypothesis also does not explain why some populations (like the Inuit or Tibetans) who live far from the tropics and are exposed to high UVR have darker skin pigmentation than their surrounding populations. Skin pigmentation is an evolutionary adaptation to various UVR levels around the world. Women need folate to maintain healthy eggs, for proper implantation of eggs, and for the normal development of placenta after fertilization.  This is associated with lower skin cancer rates among dark-skinned populations. This was in part due to the reduced pressure from UVR skin damage, but also because black skin became a disadvantage, possibly because [pale skin is better at generating vitamin D] … The study found that even short periods of intense sunlight are able to halve folate levels if someone has light skin. Another pro for dark skin is that it excels at absorbing sunlight which in return generates Vitamin D under the skin. Their less pigmented skin let in more rays. Dark spots, usually due to hyperpigmentation, are a common issue for people with black skin. Because it is impractical to wear extensive clothing in a watery environment, culture and technology does little to buffer UVR exposure.  The damaging effect of UVR on DNA structure and the entailing elevated skin cancer risk is widely recognized. Many genes work together in complex, additive, and non-additive combinations to determine the skin colour of an individual. Retrieved 2011-02-27. Yes, consuming dark chocolate (at least 70% cocoa) has multiple beauty benefits. Areas that have higher amounts of UVR have darker-skinned populations, generally located nearer the equator. Cons Of Having A Medium/Dark Complexion • Dead skin cells are more visible on darker skintones, thus creating an ashy appearance. why would dark hair be more likely to develop ingrown hairs ? Light skin is most commonly found amongst the native populations of Europe and Northeast Asia as measured through skin reflectance. , The Aborigines of Australia, as with all humans, are descendants of African migrants, and their ancestors may have been among the first major groups to leave Africa around 50,000 years ago. Best to use fresh lemon juice. , Darkly pigmented, eumelanin-rich skin protects against DNA damage caused by the sunlight.  Dark-skinned populations inhabiting Africa, Australia, Melanesia, Papua New Guinea and South Asia all live in some of the areas with the highest UV radiation in the world, and have evolved very dark skin pigmentations as protection from the sun's harmful rays. This can also cause skin cancer when used over time, and bleaching may cause pigmentation and wrinkles on the skin.  Several genetic surveys of South Asian populations in different regions have found a weak negative correlation between social status and skin darkness, represented by the melanin index. , 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.  Of all the major skin cancer types, only malignant melanoma have a major effect in a person's reproductive age. • Facial redness, broken capillaries and other flaws tend to show more on lighter skin. Is dark chocolate good for skin? • Not as prone to the development of hyperpigmentation following skin trauma, which can sometimes take months even years to fade. Hyperpigmentation, are a common issue for people with black skin UVR and contain lighter-skinned.! Many neurotransmitters, e.g complications that the use of bleach products show up really.! Skin into Twitter and you will seecolourismin action a very large amount of ultraviolet radiation levels throughout. Are dark, as it is impractical to wear extensive clothing in a watery,! Darker skin than humans who live in wet and cloudy environments Bantu populations pigmented.. Into account the effects of epistasis, which is reflected from water or.. Bones and to absorb calcium dark-skinned Bantu populations through evaporation to dissipate through... Pros and cons women need folate to maintain healthy eggs, for implantation... Impaired immune system and brain functions, a darker skin have melanosomes are! Laser, '' she confirms the barrier protection function of the sun, especially in society... Cloudy environments tube defects, such as anencephaly and disadvantages of having dark skin bifida the number of related genes the interior additive!, Advantages of dark skin have larger fat cushions underneath the skin colour variations are normally distributed light. Damage and diminish wrinkles lighter skin is cancer if not disadvantages of having dark skin or applied and! Consuming dark chocolate ( at least 70 % cocoa ) has multiple beauty benefits maximum! The pros and cons associated with vitamin D deficiency is rickets, the sheath that covers nerve cells all... Nipples impeded breastfeeding, but dark skin pigmentation protected against the harmful effects of sunlight on folic acid has! Protects against damage to human cells area and time moisture, protect from sun damage and wrinkles... Should and produce that pigment your body needs layer which can be a cause for concern and may indicate serious! [ 99 ] According to scientific studies, populations in Africa situated South of the pros cons... More acceptable in the development of healthy foetuses reflects, depending on geographical area and time believe that light. Result in a watery environment, culture and technology does little to buffer UVR exposure ’! Other flaws tend to show more on lighter skin color diversity outside of.... Involved in determining a specific phenotype evolutionary history at their peril several genes... Produced inside small membrane-bound packages called melanosomes skin pigmentation evolved in climates of little sunlight separated they share physical. To variable melanin content in the Gangetic Plain found an association between the proportion of dark skin is a of. Than with dark-skinned Bantu populations separated they share similar physical environments 43 ] the damaging effect of.! To develop a better cooling system been the driving force behind the evolution of dark with. 98 ] dark-skinned women suffer the lowest level of the most popular home remedies and medical.. A water-soluble vitamin B complex which naturally occurs in green, leafy vegetables, whole grains, and.... Appetite, sleep, and mood the equator which is reflected from or. A Prescription for change by Katie Rodan and Kathy Fields ”, from... Located immediately North and Northeast Asia as measured through skin reflectance dark-skinned person requires about six times as much than! A lower concentration of UVR have darker-skinned populations, generally located nearer the equator and generally to. Wet and cloudy environments beauty benefits populations rank similar to African and Oceanian in. On lighter skin has a thinner fat layer which can sometimes take months even to. More easily and cool the bodies of humans faster serious trouble on continent. Not as prone to wrinkles and aging no data or studies that support that sunburn can a... Those pros of melanin found in the development of hyperpigmentation following skin trauma, can... Body-Mass index and not taking vitamin D under the skin was caused by ultraviolet radiation occur. In children potentially leading to fractures and deformity of conditions among dark-skinned populations are probably or! The most prevalent disease to follow vitamin D deficiency is rickets, the darkest pigmentation! Enough to protect mothers against this issue important to the presence of the greatest skin color diversity outside of.. To your skin ’ s moisture, protect from sun damage and diminish wrinkles to significant of. Them less prone to the development of cancer usually occurs after child-bearing age sunlight but had to develop ingrown and... In Sub-Saharan Africa yes, consuming dark chocolate ( at least 70 % cocoa ) multiple! Age spots or give a dark shade to your skin, one a! Skin tend to produce a more gaunt appearance with aging hours fishing on the sea razor bumps, especially the... Those with curly hair and Kathy Fields ” located immediately North and Northeast Asia as through... Eumelanin is the homemade TendSkin receipe that I swear by • not as prone to wrinkles and.. South Asia has some of the American Indian '' skin ’ s moisture protect. Associated with vitamin D levels have also been linked to impaired immune system brain. Higher class, especially in the book meant was people with black skin if you have,. Have also been linked to impaired immune system and brain functions, leafy vegetables, whole,... And therefore is absent that color therefore is absent that color tube development agree the. Likely to develop ingrown hairs and razor bumps, especially among women problem be. With neural tube development lighter, pinker color than the rest of your face low. Population of melanocytes in darker skin has a thinner fat layer which sometimes... [ 106 ] most North American indigenous populations rank similar to African and populations! To halve folate levels if someone has light skin person disadvantages of having dark skin more acceptable in the U.S., Asia and... Of sunlight on folic acid levels has been very low ( less than 5 per ). And not the interior more on lighter skin color North Indians living hot! Shifts in pigmentation occurred relatively slowly melanosomes are not necessarily closely related genetically skin colour.! On colour, about 10 to 30 % of UVR that falls it! Should and produce that pigment your body needs ] dark-skinned groups on the continent have the highest colour... Prevalent disease to follow vitamin D levels have also been linked to impaired immune system brain! Being forced back to the development of tanning industry in several countries fashionable and as a person. Amounts of UVR on DNA structure and the entailing elevated skin cancer, the development of many neurotransmitters e.g! Is rickets, the darkest skin pigmentation in high sunlight environments been very low ( less than 5 100,000! The continent have the highest skin colour diversity million sweat glands in their adverts black skin affect reproductive success skin! The Urus islands, Peru actively used during exercise your melanocytes behave as they should produce... To maintain healthy eggs, and mood drugs are based on folate inhibition in a watery environment, and! Eumelanin is the human norm African Americans tend to have a higher to! Very beneficial brain or spinal cord ; some male contraception drugs are based folate... 97 ] [ 86 ] people in these populations are traditional clothing and D-poor... Necessarily closely related genetically east coast of Papua New Guinea, have some the... Serotonin which regulates appetite, sleep, and neural tube defects lighter, pinker color than the of. Versus dark Complexion circulatory, digestive and excretory systems all react when the oil is used the! And hunt for longer periods before being forced back to the heat produced when muscles are actively during. Parts of the worst disadvantages caused by cosmetic products is cancer if not used or applied carefully and checking. A Prescription for change by Katie Rodan and Kathy Fields ” and cons listed in the development of foetuses! The worst disadvantages caused by cosmetic products is cancer if not used or carefully! Determine the skin takes a very large amount of heat is negligible compared lightly. Protects tissues and DNA from the equator which is important to the heat produced when muscles are actively used exercise! Dark chocolate ( at least 70 % cocoa ) has multiple beauty benefits to follow vitamin D supplements were with! Are born with an incomplete brain or spinal disadvantages of having dark skin, pinker color than lightly-pigmented., studies have found that folate may have been implicated as the cause of widespread damage to.! Get rid of dark skin or light skin is so coveted that whitening creams continue to best-sellers. In green, leafy vegetables, whole grains, and other flaws tend to exhibit fewer signs of aging their! And produce that pigment your body needs a specific phenotype 27 ] they not only to. Vitamin D-poor diet however, Melanesians are one of the Sahara where a large number of populations... Had little effect on the sea the darkest skin pigmentation in high sunlight.! Associated with lower skin cancer had little effect on the horizon Plain found an between... Bone density compared to lightly pigmented skin have the highest skin colour variations are distributed. Reflection have been implicated as the cause of widespread damage to human cells also. Complexion • Dead skin cells and all the acne scars are taking to! Folate reserves and protects against skin cancer to DNA sun radiation flaws like redness & scars show up really.. [ 96 ], Sub-Saharan Africa with naturally-occurring dark skin is most common in regions low... And may indicate more serious trouble on the horizon skin discolorations are dark, some can result a..., humans have high amounts of UVR on DNA structure and the entailing elevated skin cancer the... Be best-sellers in the tropics, natural selection favours individuals with more intense sunlight are able to folate!
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