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Diet And Heath Copyright 2005 Wadsworth Group, a division of Thomson Learning.

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Presentation on theme: "Diet And Heath Copyright 2005 Wadsworth Group, a division of Thomson Learning."— Presentation transcript:

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2 Diet And Heath Copyright 2005 Wadsworth Group, a division of Thomson Learning

3 Lifestyle Physical inactivity Overweight Tobacco use Alcohol and drug abuse Copyright 2005 Wadsworth Group, a division of Thomson Learning

4 The Immune System Antigens Phagocytes –Phagocytosis –Cytokines Copyright 2005 Wadsworth Group, a division of Thomson Learning

5 The Immune System Lymphocytes –B-cells Immunoglobulins –Antibodies –T-cells Copyright 2005 Wadsworth Group, a division of Thomson Learning

6 Nutrition and Immunity Copyright 2005 Wadsworth Group, a division of Thomson Learning Synergistic effects PEM

7 Nutrition and Immunity Protein Fatty acids Vitamins A, E, B 6, C Copyright 2005 Wadsworth Group, a division of Thomson Learning Folate Iron Zinc Selenium

8 Nutrition and Immunity Copyright 2005 Wadsworth Group, a division of Thomson Learning

9 HIV And AIDS Copyright 2005 Wadsworth Group, a division of Thomson Learning

10 How AIDS Develops Opportunistic infections CD4+ T-lymphocytes Copyright 2005 Wadsworth Group, a division of Thomson Learning

11 The HIV Wasting Syndrome Causes of malnutrition and wasting Copyright 2005 Wadsworth Group, a division of Thomson Learning

12 Nutrition Support Zinc No specific dietary strategy Foodborne infections Copyright 2005 Wadsworth Group, a division of Thomson Learning

13 Nutrition And Chronic Disease Leading causes of death in the U.S. Copyright 2005 Wadsworth Group, a division of Thomson Learning

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15 Nutrition And Chronic Disease Copyright 2005 Wadsworth Group, a division of Thomson Learning

16 Cardiovascular Disease CVD CHD –Atherosclerosis Coronary arteries Copyright 2005 Wadsworth Group, a division of Thomson Learning

17 How Atherosclerosis Develops Plaques Copyright 2005 Wadsworth Group, a division of Thomson Learning

18 How Atherosclerosis Develops Cause of atherosclerosis –Inflammatory response C-reactive protein LDL oxidation Copyright 2005 Wadsworth Group, a division of Thomson Learning

19 How Atherosclerosis Develops Blood clots and atherosclerosis –Platelets Eicosanoids Thrombosis –Embolism Copyright 2005 Wadsworth Group, a division of Thomson Learning

20 How Atherosclerosis Develops Blood pressure and atherosclerosis Copyright 2005 Wadsworth Group, a division of Thomson Learning

21 How Atherosclerosis Develops The result: heart attacks and strokes –Angina Heart attack Stroke Copyright 2005 Wadsworth Group, a division of Thomson Learning

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23 Risk Factors For CHD Copyright 2005 Wadsworth Group, a division of Thomson Learning

24 Risk Factors For CHD Copyright 2005 Wadsworth Group, a division of Thomson Learning

25 Risk Factors For CHD Other risk factors –Emerging risk factors Metabolic syndrome –Insulin resistance Copyright 2005 Wadsworth Group, a division of Thomson Learning

26 Recommendations For Reducing Risk Copyright 2005 Wadsworth Group, a division of Thomson Learning

27 Recommendations For Reducing Risk

28 Other dietary strategies - phytosterols Physical activity Drug therapy Copyright 2005 Wadsworth Group, a division of Thomson Learning

29 Recommendations For Reducing Risk Other dietary strategies - phytosterols Physical activity Drug therapy Copyright 2005 Wadsworth Group, a division of Thomson Learning

30 How Hypertension Develops Unknown Role of the kidneys Copyright 2005 Wadsworth Group, a division of Thomson Learning

31 Risk Factors For Hypertension Smoking Alcohol High blood lipids Copyright 2005 Wadsworth Group, a division of Thomson Learning

32 Risk Factors For Hypertension Diabetes Gender Age Copyright 2005 Wadsworth Group, a division of Thomson Learning

33 Risk Factors For Hypertension Heredity Obesity Race Copyright 2005 Wadsworth Group, a division of Thomson Learning

34 Recommendations For Reducing Risk Weight control Physical activity Alcohol Copyright 2005 Wadsworth Group, a division of Thomson Learning

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36 Recommendations For Reducing Risk Drug therapy Copyright 2005 Wadsworth Group, a division of Thomson Learning

37 Diabetes In The U.S. Copyright 2005 Wadsworth Group, a division of Thomson Learning Prevalence among adults

38 How Diabetes Develops Copyright 2005 Wadsworth Group, a division of Thomson Learning

39 How Diabetes Develops Type 1 diabetes –Autoimmune disorder Type 2 diabetes Impaired glucose tolerance Copyright 2005 Wadsworth Group, a division of Thomson Learning

40 Complications Of Diabetes Copyright 2005 Wadsworth Group, a division of Thomson Learning

41 Complications Of Diabetes Diseases of the large blood vessels Diseases of the small blood vessels Diseases of the nerves Copyright 2005 Wadsworth Group, a division of Thomson Learning

42 Recommendations For Diabetes Recommendations for type 1 diabetes Recommendations for type 2 diabetes Copyright 2005 Wadsworth Group, a division of Thomson Learning

43 How Cancer Develops Copyright 2005 Wadsworth Group, a division of Thomson Learning

44 How Cancer Develops Genetic factors Immune factors Copyright 2005 Wadsworth Group, a division of Thomson Learning

45 How Cancer Develops Environmental factors –Initiators –Promoters –Antipromoters Copyright 2005 Wadsworth Group, a division of Thomson Learning

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47 How Cancer Develops Dietary factors - cancer initiators –Carcinogens Dietary factors - cancer promoters Dietary factors - antipromoters Copyright 2005 Wadsworth Group, a division of Thomson Learning

48 Recommendations For Reducing Risk Pick the right parents Eat a variety of healthful foods –Emphasize plant sources Adopt a physically active lifestyle Copyright 2005 Wadsworth Group, a division of Thomson Learning

49 Recommendations For Reducing Risk Maintain a healthful weight throughout life If you drink alcoholic beverages, limit consumption Copyright 2005 Wadsworth Group, a division of Thomson Learning

50 Recommendations For Reducing Risk Do not smoke or use tobacco in any form Copyright 2005 Wadsworth Group, a division of Thomson Learning

51 Food Guide Pyramid for Disease Prevention Copyright 2005 Wadsworth Group, a division of Thomson Learning

52 Recommendations For Chronic Diseases Recommendations for the population Recommendations for individuals Copyright 2005 Wadsworth Group, a division of Thomson Learning

53 Recommendations For Chronic Diseases Recommendations for each individual –Genome Copyright 2005 Wadsworth Group, a division of Thomson Learning

54 Complementary And Alternative Medicine Defining complementary and alternative medicine –Integrative medicine Copyright 2005 Wadsworth Group, a division of Thomson Learning

55 Complementary And Alternative Medicine Defining complementary and alternative medicine –Integrative medicine Copyright 2005 Wadsworth Group, a division of Thomson Learning

56 Complementary And Alternative Medicine Defining complementary and alternative medicine –Integrative medicine Copyright 2005 Wadsworth Group, a division of Thomson Learning

57 Complementary And Alternative Medicine Sound research, loud controversy Placebo effect Copyright 2005 Wadsworth Group, a division of Thomson Learning

58 Complementary And Alternative Medicine Risk-benefit relationships Copyright 2005 Wadsworth Group, a division of Thomson Learning

59 Complementary And Alternative Medicine Nutrition-related alternative therapies –Foods –Vitamin and mineral supplements –Herbal remedies Copyright 2005 Wadsworth Group, a division of Thomson Learning

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62 Complementary And Alternative Medicine Copyright 2005 Wadsworth Group, a division of Thomson Learning

63 Complementary And Alternative Medicine Copyright 2005 Wadsworth Group, a division of Thomson Learning

64 Complementary And Alternative Medicine Copyright 2005 Wadsworth Group, a division of Thomson Learning

65 Complementary And Alternative Medicine Internet precautions The consumer’s perspective Copyright 2005 Wadsworth Group, a division of Thomson Learning

66 Consumer Concerns About Foods And Water Copyright 2005 Wadsworth Group, a division of Thomson Learning

67 Consumer Concerns FDA –Hazard –Toxicity –Risk –Safety Copyright 2005 Wadsworth Group, a division of Thomson Learning

68 Foodborne Infections And Food Intoxicants Copyright 2005 Wadsworth Group, a division of Thomson Learning

69 Foodborne Infections And Food Intoxicants Copyright 2005 Wadsworth Group, a division of Thomson Learning

70 Foodborne Infections And Food Intoxicants Copyright 2005 Wadsworth Group, a division of Thomson Learning

71 Food Safety In The Marketplace Pasteurization Copyright 2005 Wadsworth Group, a division of Thomson Learning

72 Food Safety In The Marketplace Industry controls –USDA Hazard analysis critical control points Consumer awareness Copyright 2005 Wadsworth Group, a division of Thomson Learning

73 Food Safety In The Marketplace Copyright 2005 Wadsworth Group, a division of Thomson Learning

74 Food Safety In The Kitchen Keep a clean, safe kitchen Avoid cross- contamination Copyright 2005 Wadsworth Group, a division of Thomson Learning

75 Food Safety In The Kitchen Keep hot foods hot Keep cold foods cold Copyright 2005 Wadsworth Group, a division of Thomson Learning

76 Food Safety In The Kitchen Copyright 2005 Wadsworth Group, a division of Thomson Learning

77 Food Safety In The Kitchen Copyright 2005 Wadsworth Group, a division of Thomson Learning

78 Food Safety In The Kitchen Other meat concerns Safe handling of seafood –Sushi Other precautions and procedures Copyright 2005 Wadsworth Group, a division of Thomson Learning

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80 Food Safety While Traveling Traveler’s diarrhea Copyright 2005 Wadsworth Group, a division of Thomson Learning

81 Advances In Food Safety Irradiation Consumer concerns about irradiation Regulation of irradiation Copyright 2005 Wadsworth Group, a division of Thomson Learning

82 Advances In Food Safety Ultrahigh temperature treatment Other pasteurizing systems Copyright 2005 Wadsworth Group, a division of Thomson Learning

83 Nutritional Adequacy Of Foods And Diets Obtaining nutrient information Minimizing nutrient loss Copyright 2005 Wadsworth Group, a division of Thomson Learning

84 Harmfulness of Environmental Contaminants Persistence Copyright 2005 Wadsworth Group, a division of Thomson Learning

85 Bioaccumulation

86 Harmfulness of Environmental Contaminants Methylmercury PBB and PCB Copyright 2005 Wadsworth Group, a division of Thomson Learning

87 Guidelines For Consumers FDA EPA Copyright 2005 Wadsworth Group, a division of Thomson Learning

88 Natural Toxicants In Foods Poisonous mushrooms Goitrogens Copyright 2005 Wadsworth Group, a division of Thomson Learning

89 Natural Toxicants In Foods Cyanogens Solanine Copyright 2005 Wadsworth Group, a division of Thomson Learning

90 Hazards And Regulation Of Pesticides Residue Hazards of pesticides –Tolerance level Copyright 2005 Wadsworth Group, a division of Thomson Learning

91 Hazards And Regulation Of Pesticides Regulation of pesticides Pesticides from other countries Copyright 2005 Wadsworth Group, a division of Thomson Learning

92 Monitoring Pesticides Certification Food in the fields Food on the plate Copyright 2005 Wadsworth Group, a division of Thomson Learning

93 Consumer Concerns Minimizing risks Alternatives to pesticides Organically grown crops Copyright 2005 Wadsworth Group, a division of Thomson Learning

94 Food Labels For Organic Products

95 Regulations Governing Food Additives The GRAS list The Delaney Clause Copyright 2005 Wadsworth Group, a division of Thomson Learning

96 Regulations Governing Food Additives Margin of safety Risk versus benefit Copyright 2005 Wadsworth Group, a division of Thomson Learning

97 Intentional Food Additives Antimicrobial agents –Nitrites and nitrates Nitrosamines Copyright 2005 Wadsworth Group, a division of Thomson Learning

98 Intentional Food Additives Antioxidants –Sulfites –BHA –BHT Copyright 2005 Wadsworth Group, a division of Thomson Learning

99 Intentional Food Additives Colors Artificial flavors and flavor enhancers –MSG Copyright 2005 Wadsworth Group, a division of Thomson Learning

100 Intentional Food Additives Texture and stability –Emulsifiers –Gums Nutrient additives Copyright 2005 Wadsworth Group, a division of Thomson Learning

101 Indirect Food Additives Acrylamide Microwave packaging Dioxins Copyright 2005 Wadsworth Group, a division of Thomson Learning

102 Indirect Food Additives Decaffeinated coffee Hormones –Bovine growth hormone Antibiotics Copyright 2005 Wadsworth Group, a division of Thomson Learning

103 Water Sources of drinking water Copyright 2005 Wadsworth Group, a division of Thomson Learning

104 Water Systems And Regulations Home water treatments Bottled water Copyright 2005 Wadsworth Group, a division of Thomson Learning

105 Food Biotechnology The promises of genetic engineering Copyright 2005 Wadsworth Group, a division of Thomson Learning

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107 Food Biotechnology Extended shelf life Improved nutrient composition Copyright 2005 Wadsworth Group, a division of Thomson Learning

108 Food Biotechnology Efficient food processing Efficient drug delivery Genetically assisted agriculture Other possibilities Copyright 2005 Wadsworth Group, a division of Thomson Learning

109 Food Biotechnology The potential problems and concerns –Disruption of natural ecosystems –Introduction of diseases –Introduction of allergens and toxins –Ethical dilemmas Copyright 2005 Wadsworth Group, a division of Thomson Learning

110 Food Biotechnology FDA regulations Copyright 2005 Wadsworth Group, a division of Thomson Learning

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