1. Nutrition

2. Introduction What is the first thing that comes to mind when you hear the word “nutrition”? Does this differ when you hear the word “food”? What about the word “diet”?

3. Food Why do you eat what you eat? Environment Health Senses Culture / Religion Genetics

4. Terminology Nutrients: “Any substance in food that the body can use to obtain energy, synthesize tissues, or regulate functions.” (Insel & Roth, 2010, Pg 11) – Essential Nutrients: Must be obtained by eating food

5. Nutrients Six classes of nutrients: – Carbohydrates – Lipids (fats) – Proteins – Vitamins – Minerals – Water

6. Key Terminology Estimated Average Requirement (EAR) Recommended Dietary Allowance (RDA) – Adequate Intake (AI) Tolerable Upper Intake Levels (UL) Daily Value (DV) Nutrient Dense Energy Dense – Calorie dense

7. Nutrition and Health (Kline, 2008)

8. Cells (Kline, 2008)

9. Energy What is one of the main reasons you eat food? – Energy! – Only three classes of nutrients supply energy – How is energy from food measured? Kilocalorie vs calorie

10. Introducing the Nutrients Energy in foods – Measured in kilocalories (kcal) Discovering Nutrition, 2010

11. Recommended Calorie Intake In General: However, everyone is different – Gender, age, body size & activity level all play a role. Men 2,500 – 2,800 Women 1,800 – 2,000 Children 1970 for boys 1740 for girls

12. How much energy do you need? Resting Metabolic Rate – Basal Metabolic Rate – Your body weight in pounds x 10 = BMR – You’ll need to factor your activity level BMR x 0.30 for moderate activity BMR x 0.40 – 0.60 for very physically active – Add BMR + activity for daily calorie needs

13. USDA Food Guides

14. History of USDA’s Food Guidance 1940s 1950s-1960s 1970s 1992 2005 Food for Young Children 1916

16. http://healthvermont.gov/prevent/diabetes/mypyramid.gif

17. http://www.choosemyplate.gov/

19. Nutrient Density (Kline, 2008)