Yogurt is a dairy product – that is, something made from milk.In many countries,
yogurt is made from the milk of cows. In other places, it is made from sheep or goat
milk. In Egypt commercially produced yogurt is made from the milk of water buffaloes
or cows but some people make yogurt at home from goat milk. Some yogurt is a blend
of both. Yogurt is made by heating milk to a high temperature for several hours.
After it cools, special bacteria are added to the milk. The bacteria grow and change
the milk into the creamy texture of yogurt. These bacteria also give the yogurt its
tangy, or slightly sour, taste. But don't worry; these bacteria are “friendly”!
They actually protect your body against other harmful bacteria.