DIET AND NUTRITION
Explain how and why an understanding of the basics of nutrition is important for good health.
We need food to survive for the rest of our lives.We get out nutrition like vitamins and proteins, but not all foods are good for us.Some give us too much fat, cholesterol or sugar.If we dont control what we are eating, we can get into big trouble, because some nutritious foods also have things that are bad for our bodies, like too much fat and sugar.
People need to be careful of what they are eating, otherwise they are going to regret it later.Poor eating habits can lead to high cholesterol, for the rest of their life.The only way you can control that is by taking drugs and carefully watching their diet.People with high cholesterol cant ever eat any fatty foods like pizza or cheeseburgers.They also cant eat any sweet foods like candy or cake.People with poor diets often put their children at risk.For example, my father has high cholesterol.The main reason for him to have high cholesterol is because he ate foods that are harmful for the body, like potato chips and fast foods.Because of that, I have to be careful of what I eat, otherwise, I will also have high cholesterol also.I have to control my cholesterol by eating less pizza and fast foods or any other food that has high cholesterol.
Poor nutrition can also lead to heart attacks.For example, my neighbor Justin, died because of a heart attack.He ate all kinds of foods that was high in fat and cholesterol.His wife Jane, warned them not to eat those things but he didnt listen to her advise.He had two heart attacks.When he had the first one, his wife took him to the hospital to treat him.When he had the second one, his wife was at work.When she came home, she found him dead in the living room holding French fries.He was only forty years old.He rarely exercised and didnt have a job so he didnt move around very much.
On the other hand, there are some other foods like wheat cereal, bread and fish you can eat safely without worrying.You can get vitamins and proteins from these foods.Those things are very important in our life.The vitamins and proteins will help our body to develop.They will also protect our skin.For instance, if you have a cut on your body, the vitamins and proteins will help heal it self.The vitamins and proteins will also give you strong bones and fish is good for the brain.It helps us remember things and solve problems.
If people care about their bodies, they should take care it by eating nutritious foods like fruits and vegetables and exercising.You should treat your body as a temple and not abuse it with harmful foods.
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 health. There are six main types of nutrients used to maintain body health. They 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. The contained energy is expressed in calories. There are nine calories per gram in fat and there are about four 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. Results in quick rise in blood sugar which is usually followed by a drop in blood sugar which is interpreted by the body as a craving for more sugars. Low sugar 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. Fats produce more that twice the amount of energy that is in carbohydrates or proteins. Besides having a high concentration of energy, fat acts as a carrier for the fat soluble vitamins, A, D, E, and K. Also, by helping in the absorption of vitamin D, fats help make calcium available to various body tissues, in particular, the bones and teeth. Another function of fat is to convert carotene to vitamin A. Fat also helps keep organs in place by surrounding them in a layer of fat. Fat also surrounds the body in a layer that preserves body temperature and keeps us warm. One other function of fat is to slow the production of...
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