Summary Nutrition Lecture Notes

Nutrition is that condition, which permits the development and maintenance of the highest state of fitness. And also it involves is processes or activities by which the human body receives and uses all the food necessary for its growth, development, regulation and repair. It is the science of food, the nutrients and other substances therein, their action, interaction and balance in relationship to health and disease. Nutritional discoveries from the earliest days of history have had a positive effect on our health and well-being. The word nutrition itself means "the process of nourishing or being nourished, especially the process by which a living organism assimilates food, and uses it for growth and replacement of tissues." Nutrients are substances that are essential to life, which must be supplied by food. Today more than ever, obtaining nutritional knowledge can make a big difference in lives. Air, soil and water pollution in addition to modern farming techniques, have depleted soils of vital minerals. The widespread use of food additives, chemicals, sugar and unhealthy fats in the diets contributes to many of the degenerative diseases such as cancer, heart disease, arthritis and osteoporosis.