1. Weight Management and Eating Behaviors
Chapter 8
Weight Management and
Eating Behaviors
VIDEOS:
Eating Disorder Indicators
Eating Disorders Documentary
‘Man-orexia’ On The Rise
Male Eating Disorder Survivor
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2. ANSWERS:
TRUE
FALSE—a weight management program includes healthy eating & exercise habits that maintain a healthy weight.
FALSE—most food-borne illnesses are caused by foods that are prepared or eaten at home.
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3. Weight Management and Eating Behaviors
Chapter 8
Weight Management and
Eating Behaviors
Contents
Section 1 Food and Your Body Weight
Section 2 Maintaining a Healthy Weight
Section 3 Eating Disorders
Section 4 Preventing Food-Related Illnesses
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4. Food and Your Body Weight
Weight Management and Eating Behaviors
Chapter 8
Section 1
Food and Your Body Weight
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5. HUNGER: the body’s need for food.
Section 1 Food and Your Body Weight
Chapter 8
VOCAB
HUNGER: the body’s need for food.
APPETITE: the desire to eat particular foods.
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6. 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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7. Food Provides Energy (CALORIES)
Section 1 Food and Your Body Weight
Chapter 8
Food Provides Energy (CALORIES)
The amount of calories in food depends on the amount of carbohydrates, fats, and proteins.
Extra calories that you do not immediately use are stored as glycogen or fat.
Breakfast activates your body and brain at the start of the day.
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8. Section 1 Food and Your Body Weight
Chapter 8
VOCAB
BASAL METABOLIC RATE (BMR): the amount of energy your body uses for basic functions (breathing, heartbeat, digestion, etc).
varies from person to person, depending on:
Age
Weight
Sex
Activity level
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9. Balancing Energy Intake with Energy Used
Section 1 Food and Your Body Weight
Chapter 8
Balancing Energy Intake with Energy Used
Some body fat is essential for health
4% of total body weight for males
10% of total body weight for females
ENERGY BALANCE: when the food energy you take in equals the energy you use.
Extra food energy increases the body fat and causes weight gain.
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10. Section 1 Food and Your Body Weight
Chapter 8
Being overweight increases the risk of many long-term health problems, including:
Heart disease and high blood pressure
Prostate, colon, and breast cancer
Type 2 diabetes
Sleeping problems such as sleep apnea
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11. Chapter 8 Overweight and Obesity: A Growing Problem
Section 1 Food and Your Body Weight
Chapter 8
Overweight and Obesity: A Growing Problem
Obesity: being more than 20% over your recommended weight.
More Americans are obese now than ever before.
Americans today exercise less and eat more foods high in sugar and fat than in the past.
Exercise and a healthy diet can help most people stay in a healthy weight range.
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12. Maintaining a Healthy Weight
Weight Management and Eating Behaviors
Chapter 8
Section 2
Maintaining a Healthy Weight
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14. Section 2 Maintaining a Healthy Weight
Chapter 8
Bellringer:
What are some popular diets that you have heard of?
Do you think these diets are safe and effective?
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15. Why Do You Weigh What You Weigh?
Section 2 Maintaining a Healthy Weight
Chapter 8
Why Do You Weigh What You Weigh?
HEREDITY: the passing down of traits from parent to child through DNA.
Whether you gain or lose weight easily is largely due to heredity.
CHOICES about…
what you eat,
how much you eat, and
how much you exercise…
affect your energy balance and body weight.
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17. % body weight from bone and muscle
Section 2 Maintaining a Healthy Weight
Chapter 8
What Is a Healthy Weight For ME?
BODY COMPOSITION:
% body weight from fat
-vs-
% body weight from bone and muscle
Someone can be overweight without being obese, depending on their body composition.
BODY MASS INDEX (BMI) = index of weight in relation to height that is used to assess healthy body weight.
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19. A Healthy Weight Management Plan
Section 2 Maintaining a Healthy Weight
Chapter 8
A Healthy Weight Management Plan
Healthy Weight Management: a program of eating and exercise that keep weight at a healthy level.
Keys to healthy weight management:
eat better (nutrient dense foods)
eat less (portion control)
exercise more (be active)
The goal is to lose fat, not muscle.
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20. A Healthy Weight Management Plan
Section 2 Maintaining a Healthy Weight
Chapter 8
A Healthy Weight Management Plan
To lose 1 pound of fat = - 3,500 cal energy balance
Safe weight loss: 2-3 pounds per week
>3 lbs / week weight loss is unhealthy and too calorie-restrictive
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23. A Healthy Weight Management Plan (cont)
Section 2 Maintaining a Healthy Weight
Chapter 8
A Healthy Weight Management Plan (cont)
You can safely gain weight by gradually increasing food intake and by exercising to increase muscle mass (strength and resistance training).
If you are underweight, consult a doctor to make sure your low weight is not due to an illness or other condition.
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24. Dangerous Weight-Loss Practices
Section 2 Maintaining a Healthy Weight
Chapter 8
Dangerous Weight-Loss Practices
Many weight-loss products and programs fail to provide healthy long-term weight management.
Fad diets (ignores some nutrient requirements)
Diet pills (unhealthy / dangerous side effects)
Surgery (risk, life-altering change)
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The only safe and reliable way to manage your weight is to balance food intake with exercise.

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26. Section 3 Eating Disorders Chapter 8
Weight Management and Eating Behaviors
Chapter 8
Section 3
Eating Disorders
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27. Chapter 8
Section 3 Eating Disorders
Bellringer
Students should close their eyes and consider the following…
Think about your ideal body image.
Think about your actual body image.
How do the two descriptions differ?
Do you think your ideal image is healthy?
Do you think it is healthier than your actual image?
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28. What Are Eating Disorders?
Chapter 8
Section 3 Eating Disorders
What Are Eating Disorders?
Body image: how you feel about your appearance and body.
Eating disorders:
involve an unhealthy degree of concern about body weight and shape (distorted Body Image)
may lead to efforts to control weight by unhealthy means.
Culture and society: affect what we think of as a perfect body.
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29. A Closer Look at Eating Disorders
Chapter 8
Section 3 Eating Disorders
A Closer Look at Eating Disorders
Factors that can contribute to eating disorders:
Body image
Genetics
Culture
Personality
Emotions
Family
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30. A Closer Look at Eating Disorders
Chapter 8
Section 3 Eating Disorders
A Closer Look at Eating Disorders
If you have concerns about food or your appearance that have led to trouble in school, at home, or with your friends, consult a parent, doctor, or other trusted adult.
If you think a friend has an eating disorder, tell your friend about your concern, and help him or her to face the problem. Contact an adult if necessary.
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31. 3 Most Common Eating Disorders
Anorexia Nervosa - Eating Disorder that involves self starvation.
Bulimia Nervosa- Eating a lot of food and vomiting afterward.
Binge Eating Disorder- Eating a lot of food without vomiting.

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34. **Signs and Symptoms of Eating Disorders**
Chapter 8
Section 3 Eating Disorders
**Signs and Symptoms of Eating Disorders**
The following signs and symptoms are characteristic of someone with an eating disorder. Indicate “A” for anorexia, “B” for bulimia, or “A+B” for both.
Low-calorie dieting that is carried to an extreme?
Very low body weight?
Preoccupation with body weight?
Distorted body image?
Frequent use of laxatives?
Body is in a constant state of starvation?
Binge-purge cycle?
Refuses to eat?
Low self-esteem? A
A+B B

35. Chapter 8 Anorexia Video Bulimia Video Section 3 Eating Disorders
(5:48)
Bulimia Video
(6:25)

36. Preventing Food-Related Illnesses
Weight Management and Eating Behaviors
Chapter 8
Section 4
Preventing Food-Related Illnesses
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37. Chapter 8 What steps do you take when preparing food?
Section 4 Preventing Food-Related Illnesses
Chapter 8
What steps do you take when preparing food?
Does your list of steps include washing:
your hands?
the cooking surfaces?
the food?
the utensils?
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38. Food and Digestive Problems
Section 4 Preventing Food-Related Illnesses
Chapter 8
Food and Digestive Problems
Heartburn: caused by stomach acid leaking into the esophagus.
Symptoms:
burning in your chest
Caused by:
overeating high-fat or spicy foods
stress and anxiety
Prevention:
avoiding high-fat or spicy foods
reducing stress and anxiety
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39. Chapter 8 Food and Digestive Problems
Section 4 Preventing Food-Related Illnesses
Chapter 8
Food and Digestive Problems
Ulcers: open sores in the lining of the stomach or intestines.
Symptoms:
They can cause pain after eating
Caused by:
bacterial infections
stress
unhealthy diet
Treatment:
antibiotics
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40. Chapter 8 Food and Digestive Problems
Section 4 Preventing Food-Related Illnesses
Chapter 8
Food and Digestive Problems
Flatulence: AKA gas- produced by bacteria in the large intestine when you eat certain indigestible foods.
Diarrhea: watery stool.
prolonged diarrhea can cause severe and dangerous dehydration. – could be deadly
Constipation: dry, hard bowel movements.
can be prevented by exercise, drinking lots of water, and eating a high-fiber diet.
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41. Chapter 8 Food Allergies Examples: peanuts, shellfish, etc…
Section 4 Preventing Food-Related Illnesses
Chapter 8
Food Allergies
Examples: peanuts, shellfish, etc…
an abnormal response to a food
triggered by the body’s immune system
see a doctor if you think you have a food allergy
best way to prevent—avoid foods you’re allergic to
people with serious food allergies may need to carry epinephrine injections to prevent fatal reactions
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42. Chapter 8 Food Intolerances
Section 4 Preventing Food-Related Illnesses
Chapter 8
Food Intolerances
conditions that involve bad reactions to food
Differs from true food allergies, in that the immune system does not attack your own body
Example: Lactose intolerance
Reduced ability to digest the sugar lactose, which is found in dairy products.
Treatment and management includes avoiding dairy intake or using products with the lactase enzyme added (Lactaid, etc)
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43. Chapter 8 Food-Borne Illness Examples: salmonella, botulism, etc…
Section 4 Preventing Food-Related Illnesses
Chapter 8
Food-Borne Illness
Examples: salmonella, botulism, etc…
Caused by eating or drinking something that contains a toxin or disease-causing organism
Common symptoms include nausea, vomiting, and diarrhea
Often mistaken for stomach flu
usually can be treated with rest and lots of fluids
If symptoms are severe (vomiting & diarrhea lasting more than 2 days) you should see a doctor
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44. Chapter 8 Food-Borne Illness Prevention:
Section 4 Preventing Food-Related Illnesses
Chapter 8
Food-Borne Illness
Prevention:
proper selection, storage, handling, and cooking of food. Cross Contamination- transfer of bacteria from one surface to another.
Replace and wash dishcloths frequently
Keep your refridgerator cold enough (~40 F)
Wash hands, utensils, and surfaces with warm, soapy water between each step
Cook food thoroughly (to recommended temperatures)
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45. Food borne illness video 4:15

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