Nutrition should be emphasized everyday to all ages. There is a tremendous benefit to learning about how, what and why the human body uses food for energy. A solid understanding to nutrition allows an individual to better diet, exercise and live.
There a literally thousands of articles and references about nutrition, diets and recommendations about what to do and not to do. A great deal of what is important is to look first at what the basics are and then try and apply the essentials of a healthy diet and nutrition to your personal genetic traits.
Carbohydrates are essentially sugars. The primary sugar of the body is glucose. Glucose is the first line or preferential source of energy for the body. The body needs glucose in certain tissues and cells in order for them to function correctly.
Consuming adequate amounts of protein and calories from fat and carbohydrate alone will not achieve the proper nutritional state unless accompanied by adequate electrolytes, minerals, trace elements and vitamins.
Food groups and sources of nutrition can be broken down into smaller and smaller groups. In fact, in going to an extreme one could break all foods into the component end products. These end products are actually the way the body responds to the foods and uses the foods.