SCI220 Nutrition and Health Worksheet Essay

1765 Words Dec 30th, 2013 8 Pages
Nutrition and Health Worksheet

Use Ch. 1 of Contemporary Nutrition, Ch. 2 of Visualizing Nutrition, supplemental course materials, the University Library, the Internet, or other resources to answer the following questions. Your response to each question should be 75 to 100 words.

1. What is nutrition? Why is nutrition essential to our daily lives?

Nutrition is the science of our intake and utilization of food. Proper nutrition can help prevent or lessen the instances of disease. Improper nutrition can lead to a weakened immune system and even disease. In fact, A poor diet and a sedentary lifestyle are known to be risk factors for life-threatening chronic diseases such as cardiovascular (heart) disease, hypertension, diabetes,
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Over-nutrition occurs when a person consumes a diet that exceeds the requirements for the amount of essential nutrients, or the amount of calories a person needs to remain healthy. Over-nutrition can lead to increased risk of developing heart disease, stroke, type 2 diabetes and even some cancers. 7. Why is physical activity important as it relates to nutrition and health?

Regular physical activity can produce long term health benefits. People of all ages, shapes, sizes, and abilities can benefit from being physically active. The more physical activity you do, the greater the health benefits. Physical activity and nutrition work together for better health. Being active increases the amount of calories burned. As people age their metabolism slows, so maintaining energy balance requires moving more and eating less. Physical activity promotes excretion which is not only an important part of digestion but also helps remove toxins from our body.

8. Where might you find dietary recommendations? What are the recommended dietary allowances (RDA)? What are dietary reference intakes (DRIs)?

In the 1940’s the Food and Nutrition Board developed the first set of recommendations for specific amounts of nutrients. These came to be known as the Recommended Dietary Allowances (RDAs). The original RDAs made recommendations on

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