Nutrition

Why Nutrition Matters? During your teen years, choosing the right foods in the right amounts will give your body the nutrients it needs for healthy growth and development. Nutrition affects your lifelong health as well. Can lower your risk of developing: ◦ Cardiovascular disease ◦ Stroke ◦ Certain cancers ◦ Osteoporosis ◦ Type 2 diabetes

Key Terms Nutrition ◦ The process by which your body takes in and uses food Nutrients ◦ Substances in food that your body needs to grow, to repair itself, and to supply you with energy Calorie ◦ A unit of heat used to measure the energy your body uses and the energy it receives from food.

Hunger vs. Appetite Hunger ◦ The natural physical drive to eat, prompted by the body’s need for food. Appetite ◦ Psychological desire for food People tend to gain weight because of their appetite rather than them being hungry.

Factors That Affect Your Food Choice Your personal taste Foods that are convenient for you Foods your friends eat Your family or religious traditions The cost of food Availability of certain foods in your area.

Most Important For Your Body? Water ◦ Stores and releases heat ◦ Moves food through the digestive system ◦ Transports nutrients and removes waste ◦ Cools body through perspiration ◦ Cushions your eyes, brain, and spinal cord.

Calories A unit of heat used to measure the energy your body uses and the energy it receives from food. Teenage boys years old need… ◦ 1,800-2,600 calories a day Teenage girls years old need… ◦ 1,800-2,200 calories a day Teenage boys years old need… ◦ 2,220-3,200 calories a day Teenage girls years old need… ◦ 1,800-2,400 calories a day

Calories Cont’d Their gender, body size, growth rate and activity level specifically determine how many calories they need. Those involved in strenuous activity such as soccer, basketball, football or other sports may need 3,500 or more calories a day.

McDonalds ◦ utritionfacts.pdf utritionfacts.pdf ◦ QqWFo QqWFo ◦ 8_Y 8_Y

Michael Phelps Diet He ate 12,000 calories a day. Breakfast ◦ Three fried egg sandwiches with cheese, lettuce, tomato, fried onions, and mayo ◦ One five egg omelet ◦ A bowl of grits ◦ Three slices of french toast with sugar ◦ Three chocolate chip pancakes ◦ Two cups of coffee

Phelps for Lunch 1,000 calories worth of energy drinks One pound of pasta with tomato sauce Two large ham and cheese sandwiches with mayo on white bread.

Phelps for Dinner 6 to 8 slices of Pizza 1,000 calories worth of energy drinks One pound of pasta with tomato sauce

Examples of Nutrients Carbohydrates ◦ Gives your body energy Proteins ◦ Helps build and maintain body’s cells and tissues Fats ◦ Eating these in moderation (not a lot) helps lower risk of heart disease Vitamins ◦ Helps regulate what the body processes Minerals ◦ Are used by the body

What Do You See?