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Science » Life Sciences » Human Body

Science of Energy Balance: Calorie Intake and Physical Activity

helps us strive toward energy balance. Lessons and activities reveal what energy is, how our bodies use it, how we spend our time, how serving sizes on food labels compare with the amounts of food we eat, and how many calories are associated with various foods. Students analyze data and design experiments to learn how genetics, food availability, and exercise affect weight changes in mice. (National Institutes of Health)

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Interesting Fact:

Students are generally introduced to nutrition in grade school, where the Food Guide Pyramid is discussed. They are taught the need for a balanced diet in the context of growth and maintaining a healthy body. However, little consideration may be given to physical activity and energy expenditure. Additionally, students may be unaware of the need to provide energy in excess of their activity requirements to maintain the growth they are experiencing.
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