Nutrition and You
Nutrition is the relationship of foods to the health of the human body .
Proper nutrition means that you are receiving enough foods and supplements for the
body to function at optimal capacity.
It is important to remember that no single
nutrient or activity can maintain optimal health and well being, although it has
been proven that some nutrients are more important than others.
All of the
nutrients are necessary in different amounts along with exercise to maintain proper
There are six main types of nutrients used to maintain body health.
are: carbohydrates, fats, proteins, vitamins, minerals, and water .
They all must
be in balance for the body to function properly.
There are also five major food
groups. The groups are: fats and oils, fruits and vegetables, dairy products,
grains, and meats.
Exercise is also an important part of nutrition.
Exercise helps tone and
maintain muscle tissue and ensure that the body's organs stay in good condition.
Healthy eating without exercise will not result in good nutrition and a healthy
body - neither will exercise without nutrition.
The most important thing about
exercise is that it be practiced regularly and that it be practiced 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.
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, legumes, and whole grains are
digested more slowly.
Fats, which are lipids, are the source of energy that is the most concentrated.