Chapter 4Nutrition

Lesson 6Maintaining aHealthy Weight

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eating disorders

Extreme eating behaviors that can lead to serious illness or even death

An eating disorder in which a person strongly fears gaining weight and starves herself or himself

anorexia nervosa

An eating disorder in which a person repeatedly eats large amounts of food and then purges

bulimia nervosa

A disorder in which a person repeatedly eats too much food at one time

binge eating

In this lesson, you will be able to

state the benefits of a healthy weight.

identify common health risks related to weight.

discuss the dangers of eating disorders.

list tips for maintaining a healthy weight.

Organizing Information

Using the diagram on

the right as a guide,

create a concept map

that shows the benefits

of a healthy weight.

HealthyWeight Benefits

The Benefits of a Healthy Weight

Being within a healthy weight range is important for wellness and helps you have a positive body image.

The Benefits of a Healthy Weight

Being Overweight Being Underweight

Increases risk of:

• High blood pressure

• Cardiovascular disease

• Type 2 diabetes

• Cancer

• Bone and muscle damage

Increases risk of:

• Slow development

• Fatigue

• Immunity problems

• Moodiness

Eating Disorders

People who feel bad about themselves or are depressed are more likely to develop eating disorders.

eating disorders Extreme eating behaviors that can lead to serious illness or even death

If you think that someone you know has an eating disorder, discuss this with an adult whom you trust.

Anorexia Nervosa

People with anorexia nervosa believe they are overweight even if they are very thin.

anorexia nervosa An eating disorder in which a person strongly fears gaining weight and starves herself or himself

Anorexia can cause blood pressure to drop and heart damage.

Bulimia Nervosa

People with bulimia nervosa may purge themselves by throwing up, using laxatives, or over exercising.

bulimia nervosa An eating disorder in which a person repeatedly eats large amounts of food and then purges

Bulimia can damage the colon, liver, kidneys, esophagus, and teeth.

Binge Eating

Binge eating is also called compulsive overeating.

binge eating A disorder in which a person repeatedly eats too much food at a time

Binge eating can lead to weight gain, heart disease, diabetes, and some types of cancer.

Calories and Weight

Your body converts food calories into energy and stores the extra calories as fat, which makes you gain weight.

If you eat 250 fewer calories than your body burns each day, you can lose one pound after two weeks.

Calories and Weight

The Weight-Loss Energy EquationThe Weight-Loss Energy Equation

1 pound = 3,500 calories

To lose 1 pound in two weeks:• Eat 250 fewer calories a day

• Burn 250 extra calories a daythrough physical activity

OR

250 caloriesday

x 15 days = 3,500 calories

Tips for Maintaining a Healthy Weight

Balance the caloriesyou eat with the

calories your body burns.

Balance the caloriesyou eat with the

calories your body burns.

Choose healthful foodsand stay physically active.

Choose healthful foodsand stay physically active.

Eat larger servings if youneed to gain weight.

Eat larger servings if youneed to gain weight.

Eat smaller servings if youneed to lose weight.

Eat smaller servings if youneed to lose weight.

Chew food thoroughly.Chew food thoroughly. Avoid fad diets.Avoid fad diets.

Drink plenty of water.Drink plenty of water.

Only eat when you arehungry.

Only eat when you arehungry.

Use the MyPyramid asyour guide.

Use the MyPyramid asyour guide.

What I Learned

Vocabulary Define anorexia nervosa.

Lesson 6 Review

What I Learned

Restate Describe the symptoms of binge eating andhow it can adversely affect health.

Lesson 6 Review

What I Learned

Describe What is a healthy way to manage yourweight over time?

Lesson 6 Review

What I Learned

Explain Why is it better to avoid fad diets?

Lesson 6 Review

Thinking Critically

Apply How might family and friends help someonewith an eating disorder?

Lesson 6 Review

Thinking Critically

Infer How can a teen “grow into” a healthy weight?

Lesson 6 Review

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Chapter 4Nutrition

Lesson 6Maintaining aHealthy Weight

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