Health Mrs. Wagner

America is the fattest nation ½ of all adults are overweight 1/3 children are overweight ¼ teens have already started developing cardiovascular disease

Body Fat % GoodOverweightObese Males15% or lower16-24%25% or higher Females18% or lower19 – 27%28% or higher

Ways to test Body Fat Hydrostatic Weighing – “dunk tank” Bioelectrical impedance – “shock” through hand – read other hand Skin Fold Calipers - easiest

What Determines? 1. Genetics - A. Gender - B. Metabolism (rate you burn calories – exercise, more meals) - C. # of fat cells (obese children) 2. Diet 3. Exercise

Calories Units of energy Carbohydrates – 1 gram contains 4 calories ** Preferred – broken into glucose – glycogen – stored in insulin – adrenaline gets rid of it Fats – 1 gram contains 8 calories – must produce heat to break down fats Protein – 1 gram contains 4 calories – build muscle

Diet American’s Diet:Recommended: Carb’s = 40%Carb’s = 60% Fats = 30%Fats = 20% Protein = 30%Protein = 20%

Reasons Why American’s are Overweight… Fast Food – Everyday – ¼ American’s eat – Why? Cheap, time, working, uneducated on nutrition Dual Income Families – less cooking Microwavable Food Technology – kids more inactive Workforce – less physical labor Money