col-9 - Chapter 10 : Diseases of Civilization A. Modern...

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Unformatted text preview: Chapter 10 : Diseases of Civilization A. Modern Dietary Inadequacies 1. Increased food production = nutritional shortages a. i.e. - higher foods in protein and calories; lower in vitamins i. mainly vitamin C ii. lack Vit. C = scurvy [bleeding from gums, feel lethargic & depressed]; a disease of a civilization b. hunter gatherers get more vitamins [i.e. wild berries] 2. current danger = excess of nutrition B. Modern Nutritional Excess 1. Mainly from steady long-term of overeating 2. Supernormal stimuli a. Exists in any sensory mode; i.e.- good rolling a golf ball into her nest b/s it looks more egg-like [sense of sight] b. in taste : like fat, sugar, and salt b/c in short supply through almost all evolutionary history c. Figure on p.g. 148 relationship btwn intake & benefit of these substances 3. Preventable diseases caused form high-fat diet a. Strokes & heart attacks: arteries clogged with atherosclerotic lesions b. Cancer c. Diabetes: obesity from excess fat consumption 4. thrifty genotypes : genetically based ability to get and store food energy w/ unusual efficiency...
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col-9 - Chapter 10 : Diseases of Civilization A. Modern...

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