Health Sciences 1001A/B Lecture Notes - Lecture 5: High Fructose Corn Syrup, Trans Fat, Sugar Alcohol
13 Sep 2013
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Document Summary
In your lifetime you"ll spend about six years eating: 70,000 meals, 54 metric tons of food. What you eat can have profound effects on health and well being. Nutritional habits help determine risk of major chronic diseases: what you eat can change dna code which affect you down the road. 50 essential nutrients: macronutrients: protein, fat, and carbs, micronutrients: vitamins, minerals. Digestion allows us to obtain these nutrients from our foods: digestion depend on type of food. Start in mouth and travel to stomach. Largest amount of breaking down happen in intestines. Energy in food expressed as kilocalories (1 kilocalorie = 1000 calories: 1 kilocalorie = amount of heat it takes to raise temperature of 1l of water one degree. Person needs ~2000 calories/ day to meet his or her energy needs. Of 6 classes of essential nutrients, 3 supply energy. Proteins form important parts of body"s main structural components: Muscles and bones: help increase energy, help stability glucose levels.
