Assignment 2: Food Energy of U.S Citizens


It is common knowledge that food and a healthy diet is important for an efficient day-to-day life, isn’t it? The food we put into our body is broken down by our digestive system and turned into energy by biological processes. Many people are aware that our food is broken down, yes, but there is clear evidence that the food the majority of U.S citizens are ingesting is not optimal for sufficient energy production. It is important to take a look at and understand the entire process of how food is broken down and what actually happens to it. The majority of U.S citizens are not receiving the healthiest diet, and therefore are not getting sufficiently energized.

  • Source 1: National Science Teachers Association: How Does the Human Body Turn Food Into Useful Energy?, February 13, 2016. Relevant claims: clear explanation of how the human body processes food and what it does with it. Good clarifications: “not all foods are sources of energy. Carbohydrates and fats are good sources of energy, but proteins, vitamins, and minerals are primarily sources of molecules that the body uses as building blocks for various processes.” Credibility: educational association with thorough information on the topic.
  • Source 2: One Green Planet, What Are We Eating?, February 13, 2016. Relevant claims: comprehensive information via infographics (that can be utilized in final post) about the average american eating habit. This info can then be determined into food energy by calories. Includes quantitative data on average american diet. Credibility: an online platform dedicated to environmental education. Extensive fact sheet of range of information and provides education on many environmental subjects.
  • Source 3: Food Navigator- USA, Do College Students Eat Like The Rest of Us?, Relevant claims: many statistics on college students’ diets compared with the average of a U.S citizen. Information on most popular foods, their intake, and also eating habits and patterns. Credibility: an online newsletter dedicated to food education and health awareness.

The intended audience for this thesis are college students but all information is easily applicable to the average American citizen. The post will research different kinds of food and their energy emission in the body. This will educate students and citizens on why a healthy and balanced diet is important. In a broader sense, anyone who is interested in nutrition and nutritional statistics will benefit from the information of this topic.

Mathematical questions:

Read the following information:

Your body breaks down food and this turns the food into the molecule, ATP. Individual cells, then turn this ATP into another helpful molecule, ADP. The power from of the transformation from ATP into ADP is what gives our bodies the energy. Normally, it takes simple carbs and fats just minutes to break down into ATP, while more complex food molecules (heavier foods) can take hours. This, then begins the release of energy into the bloodstream and we feel these effects.

  1. Suppose you eat a light carb meal, braised chicken and spring vegetables. This meal is 237 calories. Normally, 2 calories are burned at the rate of 5 minutes with just general every day movement. The meal you just ate can be broken down into the bloodstream and complete the digestive process in about 6 hours. How many calories would a heavier meal be if it took 8 hours for it to complete the digestive process?
    1. this problem will reflect why lower calorie meals with less complex molecules are ideal when wanting time efficiency in ATP to ADP transformation.

Ideas fit together and conclusion:

Source 1 is a scientific, detailed description and why food is actually energy, and how it turns into that energy. This information can be applied to sources 1 and 3 because they tell us the most common types of eating habits and food that is being consumed. We have information on how food is broken down, the relevant food that is being ingested, and what happens to that kind of particular food when it is broken down. The combination of these sources gives us a solid understanding of the food energy in the U.S so we can compare it to other countries. A healthy diet is often underrated and overlooked because of lack of information/education. The energy we receive from food is very important to our bodies and our health.

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