HPRO 3250 Chapter Notes - Chapter 1: Galanin, Salivary Gland, Amylase
16 Jan 2013
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Chapter 1: the role of nutrition in our health. Nutrition: the science that studies food & how food nourishes our bodies and influences our health. Historically| vitamin c deficiency lead to scurvy; diet was a means to cure criminal behavior and cast out devils. Who definition of health: a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity. Nutrient deficiencies can lead to life threatening illnesses such as scurvy, goiter and rickets. Undernutrition: a diet that lacks energy or specific essential nutrients. Essential nutrients: nutrients that must come from food or nutrient supplements because they are not manufactured by the body at all or not in amounts sufficient to meet body"s needs. Overnutrition: a diet that has an imbalance of fats, carbohydrates and proteins or simply too much energy. Malnutrition: any condition associated with undernutrition or overnutrition. Only classes of nutrients that provide energy.
