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 angry, without a sense of tact or moderation... They have no sense of temperance in anything they do, and only bang their head against the wall. They're very iniquitous, petulant, miserable...” Complexion, in its original sense, engaged the attention of philosophers and musical theorists from ancient times right through to the Renaissance and beyond, in relation to the most favourable balancing of the 'qualities' or elements in order to heal and invigorate the soul: from Pythagoras and the musical theorist Aristoxenus, through Plato's dialogue "Phaedo", Aristotle, Saint Augustine in his thesis on music, and Aquinas; and in the Florentine Renaissance,