As a result, their skin made less melanin, so they could get enough sunlight to produce Vitamin D. Their skin gradually got lighter and they lost hair. Now, people who live in areas with strong sunlight, like Africa, have darker skin, while people living in other areas have lighter skin...
Have you wondered why there are so many skin colors in the world?Do you know why people living in particular areas usually have a certain color?Biology and history are the two reasons for this. Skin contains something called melanin(黑色素),which determines a person"s skin color.The more ...
in Study 3 we focused on the relationship between immune system reactivity and perceived healthiness of the face. Moreover, we measured testosterone and cortisol levels and recorded body composition, because all these factors have immunomodulatory properties and are linked to both perceived facial attrac...
a父母给了我们生命 The parents have given us the life[translate] a我有暴力倾向,你害怕吗 I have the violence tendency, you are afraid[translate] ayesterday my granny go the life in the country in the past for me,at that time,people were very poor,soparents couldn't afford their children...
Do albinos have red eyes? Albinism keeps the body from making enough of a chemical called melanin, which gives eyes, skin, and hair their color. Most people with ocular albinism have blue eyes. But the blood vessels inside can show through the colored part (the iris), and theeyes can ...
aSome Negroes, for example, have a lot of melanin pigment. Their eyes, hair, and skin are black or dark brown. Some people, called albinos (白化病患者), have almost no melanin pigment. Their hair and skin are white, and their eyes are pink.[translate] ...
Have you ever wondered what causes all the different eye colors out there? The beautiful array of human eye colors is governed by the same compound responsible for skin color — melanin. Not only does melanin give our eyes and skin their color, but it also helps protect them from sun damag...
aSome Negroes, for example, have a lot of melanin pigment. Their eyes, hair, and skin are black or dark brown. Some people, called albinos (白化病患者), have almost no melanin pigment. Their hair and skin are white, and their eyes are pink.[translate] ...
Gobbling up free radicals is great — but what exactly does that mean for your skin health? Here’s the highlight reel of antioxidant skin benefits: Prevent and treat hyperpigmentation: protect against free radicals and UV exposure that triggers melanin production Slow down skin aging: prevent th...
7.Have you ever wondered why there are so many skin colours in the world?Do you know why people living in particular areas usually have a certain colour?Biology and history are the two reasons for this. Skin contains something called melanin,which determines a person's skin colour.The more...