2. nutrition By jeffery Black : A Nov, 27,2009

3. Carbohydrates Two Types of Carbohydrates Simple carbohydrates: These are also called simple sugars. Complex carbohydrates: These are also called starches. The primary role of carbohydrates is Weiren 100 billion cells in the body to provide energy. Carbohydrate is a carbon, hydrogen and oxygen atom formed by the general term for compounds

4. Fats Fat is made from carbon, hydrogen and oxygen atoms. The proportion of fat will also increase with age. In the human body more than 95% of fat, are based on triglycerides. Triglyceride mainly by a glycerol. Daily consumption of butter in the Fatty acids, saturated fatty acids is mainly.

5. Protein Animal protein foods (for example: fish, poultry, pork, beef, eggs, milk, etc.). High quality protein Choose protein foods, we should choose "complete protein" high-quality protein foods. Mainly by the amino acid composition of protein. Recommended adult daily intake should be about 0.7 grams per kilogram of body weight of protein.

6. fiber (fibre) Fiber is defined as continuous or discontinuous filaments composed of the material. In vivo in plants and animals, fibers play an important role in the maintenance of the organization. Fiber can be divided into natural fibers and man-made fibers. Benefits Reduction in Cholesterol Levels anti-cancer role of the large intestine diseases Reduce the risk of heart disease and cancer may be Laxative Source Fibers mainly from grains and cereals, vegetables, fruits, legumes, nuts and seeds

7. Vitamins Vitamins can promote growth and maintain normal reproductive function Type of vitamins Water-soluble vitamin Although Vitamin itself does not provide energy, many chemical reactions need to exist in order to produce energy. Fat-soluble living Fat-soluble vitamins will be stored in the body, if the absorption of too much vitamin A and D, there is likely to be produce toxic The best food sources: lean meat, fish, poultry, legumes, whole grain cereal category, general food there.

8. Although the vitamins, minerals do not contain calories. they are to maintain the important nutrients the body's normal movement. main minerals Have to uptake more than 100 mg in one day. (Including sodium, potassium, chloride, calcium, phosphorus, magnesium and sulfur) Trace minerals Have to less than 100 mg,in one day. (Iron, zinc, iodine, fluorine,Copper, selenium, manganese) Basically..... almost all foods contain minerals

9. water Water doesn’t contain calories accounts for the weight 40 to 60%. Water can be drinks, food and etabolism obtained. Water can be excluded from the urine, feces, and sweat to loss. water is not only an important mediator in the human body Body temperature is an important material

10. http://tw.knowledge.yahoo.com/question/questio n?qid=1106092706034http://tw.knowledge.yahoo.com/question/questio n?qid=1106092706034 http://zh.wikipedia.org/wiki/%E7%A4%A6%E7% 89%A9%E8%B3%AAhttp://zh.wikipedia.org/wiki/%E7%A4%A6%E7% 89%A9%E8%B3%AA http://www.hksports.net/hkpe/running/nutritional_ aspects.htmhttp://www.hksports.net/hkpe/running/nutritional_ aspects.htm