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Section 1 Food and Your Body Weight

Section 1 Food and Your Body Weight. Chapter 8. Bellringer. Make a list of your favorite foods. Why are these foods your favorites?. Weight Management and Eating Behaviors. Chapter 8. Objectives. Discuss the difference between hunger and appetite.

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Section 1 Food and Your Body Weight

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  1. Section1 Food and Your Body Weight Chapter 8 Bellringer • Make a list of your favorite foods. Why are these foods your favorites?

  2. Weight Management and Eating Behaviors Chapter 8 Objectives • Discuss the difference between hunger and appetite. • Describe how the balance between food intake and exercise affects body weight. • Name three factors that influence the foods you choose.

  3. Section1 Food and Your Body Weight Chapter 8 Why Do You Eat? • Hunger is the body’s physical response to the need for food. • Appetiteis a desire, rather than a need, to eat certain types of food.

  4. Section1 Food and Your Body Weight Chapter 8 Why Do You Eat? • The amount and type of food you eat depend on many factors, including: • The smell and taste of food • Mood • Family, ethnic, and religious traditions • Social occasions • Health concerns • Advertising • Cost and availability

  5. Section1 Food and Your Body Weight Chapter 8 Food Provides Energy • The amount of energy in food depends on the amount of carbohydrates, fats, and proteins. • Extra food energy that you do not use immediately is stored as glycogen or fat. • Breakfast provides you with important energy for activating your body and brain at the start of the day.

  6. Section1 Food and Your Body Weight Food Provides Energy • How long a meal keeps you going depends on what you eat. • Carbohydrates – broken down first; quick energy • Proteins and Fat – longer to break down • Energy is measured in calories. • Carbohydrates = 4 Calories per gram • Protein = 4 Calories per gram • Fat = 9 Calories per gram

  7. Section1 Food and Your Body Weight Chapter 8 Food Provides Energy • Your basal metabolic rate (BMR) is the amount of energy your body uses for basic functions. • BMR varies from person to person, depending on age, weight, sex, and how active the person is. • Boys need more calories/energy than girls.

  8. Section1 Food and Your Body Weight Chapter 8 Balancing Energy Intake with Energy Used • You are in energy balance when the food energy you take in equals the energy you use. • Extra food energy increases the body’s fat and causes weight gain. • Some body fat is essential for health - body structure and functions, energy store, insulation, protection. • Overweight people are too heavy for their height. The extra weight is usually due to excess body fat.

  9. Section1 Food and Your Body Weight Balancing Energy Intake with Energy Used • Energy in > energy used = weight gain • Energy in < energy used = weight loss • Healthy amount for girls = 20-30% of body weight • Healthy amount for boys = 12-20% of body weight

  10. Section1 Food and Your Body Weight Empty Calories • Calories from foods that have few or no nutrients • Usually from solid fats or added sugars • Some foods contain all empty calories, like candy and soda • Making better food choices can help limit your intake of empty calories

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