NUTR100 Chapter Notes - Chapter 1: Riboflavin, Margarine, Osteoarthritis
30 Apr 2013
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Jan 7 nutrition: chap 1 the role of nutrition in our health. Nutrition: the study of food, including: how food nourishes our bodies, how food influences our health, nutrition is a relatively new discipline of science. Wellness: the absence of disease (physical, emotional and spiritual health) Critical components of wellness: nutrition and physical activity. Diseases caused by nutrient deficiency: scurvy, goiter and rickets b. ) Diseases influenced by nutrition: chronic diseases such as heart disease c. ) diseases in which nutrition plays a role: osteoarthritis, osteoporosis. What are nutrients: nutrients: the chemicals in foods that are critical to human growth and function, there are 6 classes of nutrients: carbs, fats and oils, proteins, vitamins, minerals, and water. Macronutrients: macronutrients are nutrients required in relatively large amounts, macronutrients provide energy to our bodies, macronutrients are carbohydrates, fats and oils, and proteins. We measure energy in kilocalories (kcal: kilocalorie: amount of energy required to raise the temperature of 1g of water by 1 degree.
