Human Nutrition Lecture 1

Human Nutrition Lecture 1 - Human Nutrition Lecture 1...

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Human Nutrition Lecture 1 cgardner@stanford.edu 725-2751 What should we eat? Science (and politics, journalism, culture) Under- vs. Over-nutrition -scurvy -iodine deficiency leads to goiter -energy malnutrition marasmus -xeropthalmia (blindness due to vitamin A deficiency) -calcium, Mg and vitamin D deficiencies -severe birth defects due to lack of folic acid (folate) Diabetes Epidemic -7% now have diabetes (most have type 2) -rates among children are increasing and age onset decreasing -due to plaque build-up, cholesterol, etc. -about 400,000 deaths avoided by improvements in diet and physical activity USDA Dietary Guidelines -be physically active ~30 min/day and 10 guidelines in 2000 version and 41 recommendations in new one -30 min minimum and 60 minutes to maintain and 60-90 min for wt. loss in new guidelines -say vegetable and fruits in around 3-4 and 2-4 servings in 2000 and 2.5 cups of vege. And 2 cups of fruits) -at least 3 oz.-equiv. of whole grains/day -choose dark green and orange vegetables and beans AND choose foods that limit the intake
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This note was uploaded on 05/08/2008 for the course HUMBIO 130 taught by Professor Gardner,c during the Spring '08 term at Stanford.

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Human Nutrition Lecture 1 - Human Nutrition Lecture 1...

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