Donkey milk even exist). In addition, the flavour and appearance of donkey milk have been found to be attractive to children. Equid (donkey and horse) milk can be considered a suitable substrate for probiotic beverage production. The use of fermented equid milk is an ancient tradition in central Asia, like koumiss or airag, a fermented mares milk very popular in Asia and Russia; but there are also traditional variants made from donkey milk. In Mongolia, where koumiss is the national drink, people have a saying that ‘kumys cures 40 diseases’. It is said that Cleopatra, Queen of Ancient Egypt, took baths in
Complexion have far less need for protection from ionizing radiation, so their skin is usually lighter. A study published in the Journal of Human Evolution proposes that people in the Tropics have developed dark skin to block out the sun and protect their body's folate reserves. Those living away from the equator have developed a fair skin to absorb enough sunlight to maintain adequate vitamin D in their bodies. Complexion Complexion in humans is the natural color, texture, and appearance of the skin, especially on the face. The word "complexion" is derived from the Late Latin "complexi", which initially referred in