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| The science of foods and the nutrients and other substances they contain and of their actions in the human body. |
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| Chemical substances obtained from food that support growth, maintenance and repair of the body's tissues. |
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| Energy-yielding nutrients |
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| the macronutrients: carbs, proteins, lipids |
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| those that a person must obtain from food because the body cannot make enough of them. |
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| How are the nutrient components of food and the body composition of people similar? |
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| Plants and animals are comprised of large amounts of water respective to carb, protein and lipids in the body. |
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| What is the difference between a nutrient and a non-nutrient? |
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| Non-nutrients do not yield energy. They are compounds such as fiber and water. An example of a nutrient would be something that yields energy such as a macronutrient. |
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| inorganic makeup is usually a component of? |
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| organic makeup is usually a component of? |
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| foods such as carbohydrates, lipids and proteins. |
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| 1 gram protein, carbohydrate and lipid have what amount of kcal each respectively? |
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| foods higher in fat content have a higher nutrition density than a food that is mostly comprised of carbohydrate. |
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| if you burn 100kcal and then eat 100kcal energy is? |
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| if you eat more than you take in you will? |
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| store calories, gain weight |
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| if you eat less than you expend you will likely? |
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| burn energy stores in the body and lose weight |
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| They do not provide energy but are catalysts. 13 with special roles in the body. |
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| 16 that are essential in humans. |
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| determine the incidence and distribution of diseases in population. include cross sectional, case control and cohort studies. |
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| examples of experimental study types: |
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| laboratory based (animals), (in vitro), and human intervention. |
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| what are some strengths in using epidemiological studies? |
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| can narrow down list of causes, can raise questions to pursue through other types of studies. |
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| what are some weaknesses of using epidemiological studies? |
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| cannot control variables that may influence the development or the prevention of a disease, also cannot prove cause and effect. |
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| explore the effects of a specific variable on a tissue, cell or molecule. Often in vitro or with animals. |
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| What are some strengths in using lab based studies? |
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| can control conditions, can determine effects of a variable. |
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| what are some weaknesses in using a lab based study? |
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| cannot apply results from test tubes or animals to human beings. |
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| Why is study publication important? |
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| should be peer reviewed, replication should be possible. |
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