Lecture 30 Protein-Calcium Connection

Lecture 30 Protein-Calcium Connection - Lecture 30 Vitamin...

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Lecture 30 Vitamin A and C
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Minimizing Risk of Cancer 1. Don’t Smoke 2. Minimize caloric intake 3. Maximize intake of fruits and veges
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0 50 100 150 200 250 300 350 400 Men Women Observed and Expected Deaths due to Cancer (per 100,000) Expected Observed Key et al., British Journal of Nutrition, 1996 Vegetarians
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What is it about eating fruits and vegetables that reduces cancer? Anti-oxidant
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Normal cell Pre-carcinogen
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Normal cell Pre-carcinogen oxidized
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Not Vitamin E Supplements
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Vitamin A (retinol) is an Antioxidant
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Source of Vitamin A (Retinol) animal plant Retinol + retinyl esters (preformed vitamin A) Carotinoids (provitamin A) Retinol Retinol Liver
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Role of Vitamin A (Retinol) retinal + opsin rhodopsin Eye
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Role of Vitamin A (Retinol) Growth - Cell Differentiation - Reproduction - Bone growth - Epithelial cell formation - Immunity
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Child, 6 years old, history of night blindness. Foamy line of Bitot spot Vitamin A Deficiencies
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localized xerosis Vitamin A Deficiencies
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This note was uploaded on 12/18/2011 for the course NS 1150 taught by Professor Levitsky during the Fall '05 term at Cornell University (Engineering School).

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Lecture 30 Protein-Calcium Connection - Lecture 30 Vitamin...

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