UW-Madison NUTRSCI 132 - Evolution of the Human Diet and Modern Consequences (3 pages)

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Evolution of the Human Diet and Modern Consequences



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Evolution of the Human Diet and Modern Consequences

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Lecture number:
4
Pages:
3
Type:
Lecture Note
School:
University of Wisconsin, Madison
Course:
Nutrsci 132 - Nutrition Today
Edition:
1
Documents in this Packet

Unformatted text preview:

Nutr Sci 132 Lecture 4 Outline of Last Lecture I Evolution of Traditional Diets a Hunter Gatherer b Agriculturalists c Modern Diet II What they ate III Methods of Processing Outline of Current Lecture I Food Security in pre industrial societies II Biological Adaptations for dealing with food shortages III Comparing Ancient pre industrial Diets to Modern Diet a Patterns of Health and Diseases IV Modern Nutritional Recommendations Current Lecture I Food Security in pre industrial societies a How much did they eat b Def Food Security How sure you are that you will have enough to eat c Ethnographic Studies of pre industrial societies i Plentiful 38 ii Adequate 46 iii Subsistence 12 iv Minimal 4 1 Note Not important to memorize percentages just realize that most everyone had enough food d Frequency of Food Shortages i Annual 24 ii Rare 29 iii Occasional 24 iv Frequent 24 1 Note No category of never These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute II III 2 Everybody has ancestors who had food shortages at lease occasionally e Extent of Shortages i Mild 36 ii Moderate 34 iii Severe 29 1 Some environments were more extreme than others Biological Adaptations for dealing with food shortages a We are almost identical genetically to our ancestors and all our ancestors faced food shortages i Developed ability to store body fat ii Metabolism slows down when we don t eat much b Our modern problem food abundance i Obesity Ancient Diets vs Modern diets Evolution and its Consequences Ancient Modern Availability Food Shortage Food Abundance Composition High in Complex Carbohydrates High in Fat Sugar Consequences of Diet Starvations Nutrient Deficiency Obesity Nutrient Excess Causes of Death Infectious Disease Injury Chronic Disease Heart cancer diabetes Note Causes of Chronic Diseases more complicated not ALL due to diet IV Modern Nutritional Recommendations a Def Essential Nutrient



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