Nutrition And You

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in accompaniment with a healthy diet. It is also desirable to
practice more that one sport as different sports exercise different areas of the
body. Carbohydrates, proteins, and fats are the sources of energy for the body.
The contained energy is expressed in calories. There are 9 calories per gram in
fat and there are about 4 calories per gram in proteins and carbohydrates .
Carbohydrates are the main source of energy for the body. This energy is mostly
used for muscle movement and digestion of food. Some sources of carbohydrates
are : grains, fruits, vegetables, and anything else that grows out of the ground.
The energy in carbohydrates is almost instantly digested. This results in a
quick rise in blood sugar which is soon followed by a drop in blood sugar which
is interpreted by the body as a craving for more sugars. This sugar low may
also result in fatigue, dizziness, nervousness, and headache. However, not all
carbohydrates do this. Most fruits, vegetables, ...

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When proteins are digested they are broken
down into simpler sections called amino acids. However, not all proteins will
contain all the necessary amino acids. Most meat and dairy products contain all
necessary amino acids in their proteins. Proteins are available from both
plants and animals. However, Animal proteins are more complete and thus
desirable. Knowledge of the nutrients and their function is essential to
understanding the importance of good nutrition. As mentioned above, there are
six nutrients. All vitamins are organic food substances that are found only in
living things, plants and animals . It is believed that there are about twenty
substances that are active as ...

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