Yogurt, health and hygine and modern life

Yogurt (also spelled yogourt or yoghurt) is a semi-solid fermented milk product which originated centuries ago in historical civilizations (for example in Iran). It's popularity has grown and it is now consumed in most parts of the world.Although the consistency, flavour and aroma may vary from one region to another, the basic ingredients and manufacturing are essentially consistent. Fermentation of the lactose (by several micro organism, for example Lactobacillus) produces lactic acid, which acts on milk protein to give yoghurt its texture and its characteristic tang.Such healthy natural food is nutritionally rich in protein, calcium, riboflavin, vitamin B6 and vitamin B12. Many investigators have studied the therapeutic and preventive effects of yogurt and lactic acid bacteria, which are commonly used in yogurt production, on diseases such as cancer, infection, gastrointestinal disorders, asthma' hypersensitivity and autoimmune disorders that are the most important problems in modern life.