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Background
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What we eat is part of our personal environment. We can have a healthier personal environment by making good decisions about diet including what foods to eat, when to eat them, and what amounts to eat. Nutrients in these foods supply the energy and molecules that our bodies need in order to grow, develop, repair damage, and perform the activities of life. The food pyramid guide lists the recommended number of servings we should eat each day. |
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One important thing that food gives us is energy. The heat energy in foods can be measured using a calorimeter. The unit of measurement of the heat energy in foods is a calorie. As members of a food chain we consume food and can transform its energy into mechanical energy during exercise. This is our energy output. It is important to maintain a balance between our daily energy input and output in order to remain healthy. |
| Breakfast is often called the most important meal of the day because it provides the energy needed by the body after resting all night. It helps meet the body's nutritional needs for the day and also helps keep you from snacking and consuming unnecessary calories. Breakfast food is also referred to as "brain food!" Research has shown that students who eat breakfast generally have a better attention span and are more alert. Some studies even indicate that students who eat breakfast make better grades in school. A balanced and healthy breakfast should include servings from the pasta, fruit, yogurt and cheese groups; however, life-styles play a role in what people eat for breakfast and whether they eat breakfast at all. |
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| Throughout life you must balance your needs as an organism with your personal choices in order to maintain a healthy body. Our needs change throughout our lifetime. In general, the calories in foods are burned more rapidly by adolescents who have a higher rate of metabolism than by older adults whose metabolic rate is generally slower. Individuals must be aware of these changing needs and change their diets accordingly in order to maintain a healthy personal environment throughout their lifetimes. Healthy eating early in life can become a lifelong habit. |
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