The Department of Food & Nutrition researches patterns of food consumption and searches for paths to better health and welfare. The detailed branches of this Department are sitology and dietetics. Sitology is a field that studies every stage from the production of food, to handling and consumption. It includes all research regarding food production procedures and the roles of caterers who provide and deliver to the consumers. Dietetics is the area that focuses on the physiological and biochemical phenomena when food is digested in the body. It investigates and reveals the role of food in bodily development, functions, and in disease prevention. In other words, food and nutrition science is a study of the future that covers various aspects of dietary life.