1. Section 1 Food and Your Body Weight
Chapter 8
Bellringer
Make a list of your favorite foods. Why are these foods your favorites?
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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.
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3. Section 1 Food and Your Body Weight
Chapter 8
Why Do You Eat?
Hunger is the body’s physical response to the need for food.
Appetite is a desire, rather than a need, to eat certain types of food.
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4. Section 1 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
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5. Chapter 8 Food Provides Energy
Section 1 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.
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6. Food Provides Energy Section 1 Food and Your Body Weight
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. Chapter 8 Food Provides Energy
Section 1 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.
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8. Balancing Energy Intake with Energy Used
Section 1 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.
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9. Balancing Energy Intake with Energy Used
Section 1 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. Empty Calories Section 1 Food and Your Body Weight
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