Nutrition Guidelines: Tools for a Healthful Diet Chapter 2 Nutrition Guidelines • Who are “they”? • Advertisement • News Head lines • Federal Government – A healthy population is a more productive population – Nutrition policy Under nutrition Over nutrition © Ginasanders/Dreamstime.com Linking Nutrients, Foods, and Health • Continuum of nutritional status • Point of continuum • What we eat affects our health – Over nutrition • Chronic consumption of more than is necessary for good health • Linked to leading causes of deaths in the United States Heart Disease: Cancer: Stroke: Diabetes: Under Nutrition: • • • • • Some foods are being consumed Not nutritionally adequate Nutritional deficiency diseases Malnutrition Rare in the United States Scurvy: Vitamin C deficiency Pellegra: Vitamin B Niacin deficiency Osteoporosis: Calcium deficiency Linking Nutrients, Foods, and Health • Choosing a healthful diet – Moderation • Not taking anything to extremes – Variety • Include a lot of different foods in your diet – Balance • Choose a variety of foods and eat a moderate amount Dietary guidelines: • Improve over all health • Many countries have developed their own food guidelines • Help with food choices • Healthy population is more productive and less strain on health care resources Dietary Guidelines • Dietary Guidelines for Americans (2005) • First released in 1980 – Science-based advice – Promote health; reduce chronic disease risk – Recommendations encourage Americans to eat fewer calories, be more active, and make wiser food choices Dietary Guidelines • Dietary Guidelines for Americans – Adequate nutrients within calorie needs • Consume a variety of foods • Eat a balanced diet – Weight management • Maintain weight • Prevent gradual weight gain over time Dietary Guidelines • Dietary Guidelines for Americans – Physical activity • Engage in regular physical activity • Achieve physical fitness – Food groups to encourage • Fruits, vegetables, whole grains, low-fat milk Dietary Guidelines • Dietary Guidelines for Americans – Fats • Limit total fat, saturated fat, trans fat, cholesterol – Carbohydrates • Choose fiber-rich fruits, vegetables, and whole grains • Limit added sugars • Consume sugar- and starch-containing foods and beverages less frequently Dietary Guidelines • Dietary Guidelines for Americans – Sodium and potassium • Consume less than or equal to 1 teaspoon of salt/day – Alcoholic beverages • If used, do so sensibly and in moderation Dietary Guidelines • Dietary Guidelines for Americans – Food safety • Clean • Separate • Cook • Chill • Avoid raw milk and raw milk products Barriers to the Dietary guidelines • • • • Developed mainly for policy makers Health Care Providers Nutritionists Nutrition Educators Dietary Guidelines • Using the Dietary Guidelines for Americans – Does not identify food to consume or to avoid – Gives advice about the overall consumption of one’s diet Dietary Guidelines • Canada’s Guidelines for Healthy Eating – Set of positive, action-oriented messages for healthy Canadians • Canada’s Physical Activity Guide – Build 30–60 minutes of moderate physical activity/day for adults – Build 90 minutes of activity/day for children Food Groups and Food Guides • History of food guides first published in 1916 – Basic Four (1950’s to 1970’s) – USDA Food Guide Pyramid (1992) © Photos.com Food Guide Pyramid MyPyramid (2005) Source: USDA MyPyramid • Basic concepts – Variety – Moderation – Proportionality – Physical activity – Gradual improvement – Personalization • MyPyramid.gov Web site Eating Well with Canada’s Food Guide • Based on dietary reference intakes (DRIs) • Diversity of food available in Canada • Incorporates recommended eating pattern and associated dietary guidance From Eating Well With Canada’s Food Guide, Health Canada, 2007. © Reproduced with the permission of the Minister of Public Works and Governmental Services Canada, 2009. Using MyPyramid or Canada’s Food Guide in Diet Planning (page 46) • Types of food • Number of recommended servings • Approximate serving size Exchange Lists • Help people with diabetes plan meals • Foods grouped by macronutrient (carbohydrate, protein and fat) content – Starches – Fruits – Milks – Other carbohydrates – Vegetables – Meats and meat substitutes – Fats – See Appendix B Recommendations for Nutrient Intake: The Dietary Reference Intake (DRIs) • Understanding dietary standards – Recommendations for nutrient intake – Developed by the Food and Nutrition Board (Canada RNI and US RDA) – Apply to healthy people in the United States and Canada – Four basic elements Dietary Reference Intakes (DRIs) • Estimated Average Requirement (EAR) – Amount that meets the nutrient requirements of 50% of people in a lifestage and gender group – Based on functional indicator of optimal health Dietary Reference Intakes • Recommended Dietary Allowance (RDA) – Amount that meets the needs of most people in a life stage and gender group Contd: • RDA is based on the EAR • General population can use RDA as a target goal of dietary intake • Remember this is a general target and not individualized Dietary Reference Intakes • Adequate Intake (AI) – Amount thought to be adequate for most people – AI is used when EAR and RDA can’t be determined • Tolerable Upper Intake Level (UL) – Intake above the UL can be harmful Dietary Reference Intakes • Estimated Energy Requirement (EER) – Energy intake needed for energy balance – Determined by using weight, height, age, and physical activity • Acceptable Macronutrient Distribution Range (AMDR) – Recommended balance of energy sources Dietary Reference Intakes • Use of dietary standards – Population groups (military, WIC, school) • Assess adequacy of intake • Plan diets • Set policy and guidelines – Individuals • Use RDA and AI as target levels for intake • Avoid intake greater than the UL Food Labels • Food and drug Administration (FDA) • 1990 Nutrition labeling and education ACT (NLEA) • Mandatory information on food labels – Statement of identity • “Appropriately descriptive term” – Net contents of the package – Name and address of manufacturer, packer, and distributor Food Labels • Mandatory information on food labels – List of ingredients • Listed by common or usual name • Listed in descending order by weight – Nutrition information • Nutrition Fact panel (most important information) Food Labels • Nutrition Facts panel – Standard format Food Labels • Daily Values – Compare amount in one serving to amount recommended for daily consumption – Based on recommended amounts of 2,000 calorie diet • Nutrient content claims – Descriptive terms (e.g., low fat, high fiber) – Defined by FDA Food Labels • Health claims – Link one or more dietary components to reduced risk of disease – Must be supported by scientific evidence – Approved by FDA • Structure/function claims – Describe potential effects on body structure or function Food Labels • Using labels to make healthful food choices – Can compare products Good night!