Nutrition

HealthNutritionLesson 1 Nutrition During The Teen YearsTerms:Nutrition: Study of food and how your body uses it.Calories: units of heat that measure the energy that food supply to the body. 2200-girls 2800-boys.Nutrients: Substances in food that your body needs to grow, to repair itself, and to supply you with energy.

Lesson 1 Cont. Hunger: unlearned, inborn response, physical drive that protects you from starvation.

Appetite: Is desire for food.

Influences on Food ChoicesHunger/appetiteEmotions?1. Family/ friends/ peers 2. culture/ ethnic background3. Convenience/ cost4. Advertisements

Lesson 2 NutrientsCarbohydrates: Sugars and starches in foods.Simple vs complexSimple= sugars such as fructose, lactose and sucrose. Found in fruit, milk and sugar products. Sometimes refined products like white bread.Complex: Whole grains, nuts, root vegetables like potatoes. Carbs Role: Body converts carbs to simple (sugar) carbs which is your bodies main source of energy.

Nutrients Cont.Fiber: indigestible complex carbohydrate. Found in tough, stringy parts of vegetables, fruits and whole grains.Roles: Reduce heart disease, helps food go through digestive system therefore helps constipation, and diabetes.

Nutrients Cont.Protein: Helps build and maintain body cells and tissues.Complete vs IncompleteComplete: Have all nine amino acids. Ex. Fish, meat, poultry, egg, meat, cheese, and yogurt.Incomplete: lack one or more essential amino acids. Ex. Beans, peas and whole grains. Comes from the Meat Group.

Nutrients Cont.Fats: type of lipid, a fatty substance that does not dissolve in water. Unsaturated Vs SaturatedUnsaturated: usually liquid at room temp, and part of the essential fatty acids your body needs. Ex. Vegetable fat, soy bean and olive.Saturated: usually solid at room temp, comes from beef, pork and dairy products.Linked to high Cholesterol.

Nutrients Cont.Vitamins role: compounds that help regulate many vital bodily processes including: digestion, absorption, and metabolism of other nutrients.Water Soluble vs Fat solubleWater Soluble: dissolve in water, and pass easily into the blood during digestion. The body doesnt store these, so you need to store there regularly. Ex. Vitamin B and C.Fat Soluble: absorbed, stored and transported into fat. Ex A, D, E and K.

Minerals and WaterMinerals: substances in the body that it cannot produce that your body needs for strong bones and teeth. Ex. Iron and calcium.

Water: vital for every function. Drink 8 glasses a day.