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Nutrition 1010 - Week 1-9.docx

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University of Guelph
NUTR 1010
Andrea Buchholz

NUTR1010 What is NutritionThe science that studies how food nourishes our bodies and influences our healthWhy is nutrition importantOne of the several factors contributing to health A nutritious diet can prevent some diseases and reduce risk for others A poor diet can heighten risk for type two diabetes Who does nutrition affectEVERYONE From womb to tomb All stages of health and sicknessEvery country around the worldHow can I figure out my nutrient needsUse the dietary reference intakes DRI Nutrition AdviceWhom can you trustTrustworthy experts are educated credentialed eg RD Registered Dietician Professional organizations Canadian Nutrition SocietyGovernment sourcesWhy do we eat the foods we eatCultureReligionValuesbeliefsSocialConvenience Advertising Availability EconomyEmotional comfort Habit Personal preference Positive associations Weightbody image Nutritional valueAppetite Hunger Appetite Psychological desire to eat specific foodsPleasant sensation associated with food Influenced byPsychological factors Brain compoundsInborn appetites Some health conditionsMedicationsdrugs Hunger Physiological sensation in response to a need for foodUnpleasantnegative sensation Influenced byBrain hypothalamus Blood glucose levels
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