Health Sciences 1001A/B Lecture Notes - Lecture 6: Dietitian, Couscous, Lard
10 May 2016
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Document Summary
An area in which you have increase control. Provides body with nutrients required to provide energy, repair damaged tissue, promote tissue growth, regulate physiological processes. Choosing a healthy diet involves: knowing which nutrients are necessary and in which amounts, translating those requirements into a diet consisting of foods you like and that are available/affordable. Essential = must get substances from food because body is unable to manufacture them (or not enough to meet physiological needs) Body obtains nutrients through digestion (starts breaking down once it reaches our mouth) Energy in food expressed in kilocalories = scientific expression of the energy value. There are classes of essential nutrients supply energy: Calorie intake > energy needs = converted to fat & stored in the body. Promote growth, and maintenance of muscle and connective tissue. Form important parts of blood, enzymes, some hormones, and cell membranes. Foods that contain 9 essential amino acids are complete proteins.
