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Lecture

Diet.doc

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School
University of Waterloo
Department
Health
Course
HLTH 102
Professor
Scott Leatherdale
Semester
Winter

Description
Diet and Health - consequences of poor diet - energy imbalence - increase risk of lung, esophagus, stomach, colorectal and prostate cancer - increase risk of lower dietary quality and under-nutrition Essential Nutrients - Fats - ~30% of daily calories - 1 gram = 9 calories - Proteins - ~20% of calories - 1 g = 4 cal - Carbohydrates - ~50% of calories - 1g = 4 cal - carbs are cheapest form of good, so most students who need to save money will eat it more often. - having too much protein in diet can do damage to kidneys. Fat - important part of diet - provides fatty acids which are needed for cell function - vitamine A, E, D, K are fat soluable - fats are just chains of fatty acids - monounsaturated and polyunsaturated are good for you - trans fatty acids and saturated fats are bad for you - unsaturated have double bonds and saturated only have single bonds - monounsaturated - has one double bond - help reduce bad cholesterol - polyunsaturated - has more than one d
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