Lesson 2 Do you… Fad Diets and Eating Disorders These weight-loss strategies are risky. Not only...

Lesson 2

Do you…

Fad Diets and Eating Disorders

These weight-loss strategies are risky. Not only do they often fail to produce long-term results, but they

can also cause serious health problems.

Eat only a few types of food?

Use diet pills? Follow a liquid diet?

Lesson 2 Lesson Objectives

Describe the risks of fad diets and other dangerous weight-loss strategies.

Describe the causes, symptoms, and treatment of eating disorders.

Provide help to someone with an eating disorder.

Identify the presence of an eating disorder as a situation requiring assistance from professional health services.

In this lesson, you’ll learn to:

Lesson 2

Fad Diets

Risky Weight-Loss Strategies

Fad diets are hard to stick with because they limit food variety.

Some are costly because they require dieters tobuy certain products.

They fail to provide the body with the nutrients it needs for health and growth.

Any weight lost on fad diets is usually regained.

Lesson 2

A person on a liquid diet replaces all of his or her food intake with a special liquid formula. Some problems with liquid diets:

They do not meet the body’s energy needs, as they are very low-calorie diets.

They often leave the dieter feeling fatigued.

Many do not provide the body with fiber and needed nutrients.

Liquid Diets


Lesson 2

Relying on high-protein, low-carbohydrate liquids as the only source of nutrients can cause serious health problems and even death.

Dangers of Liquid Diets


The U.S. Food and Drug Administration (FDA):

• Requires liquid diet products to carry warning labels.

• Recommends that liquid diets be used only under close medical supervision.

Lesson 2

To fast is to abstain from eating.

Fasting for more than short periods deprives your body of needed nutrients and energy.

If people who are fasting avoid liquids, they may become dehydrated.

Fasting may not be advisable for those with diabetes or other health conditions.

Fasting


Lesson 2

Many diet pills work by suppressing appetite. A low-risk pill thatmeets claims of “burning,” “blocking,” or “flushing” fat from

thebody has not yet been developed.

Diet Pills


Drowsiness

Racing Heart

Addiction

Dehydration

Side Effects of

Diet Pills

Lesson 2 Weight Cycling

Weight cycling is common in people who follow fad diets. Weight loss on these types of diets is usually from water, not body fat.

Water weight lost is quickly regained.

Slow and steady weight loss is the best strategy for long-lasting results.

Weight Loss and Weight Gain

Lesson 2 The Risks of Eating Disorders

An eating disorder may be brought on by mental or emotional factors such as:

What Causes Eating Disorders?

Poor body image.

Family pressures.

Social pressures.

Perfectionism.

Genetics.

Lesson 2

Anorexia nervosa is a psychological disorder with emotional and physical consequences.

The disorder relates to an individual’s self-concept and coping abilities.

Outside pressures, high expectations, a need to be accepted, and a need to achieve are characteristics associated with the development of anorexia.

Anorexia Nervosa

The Risks of Eating Disorders

Lesson 2

Medical specialists have found genetics, hormones, and certain brain chemicals to trigger anorexia in some people.

Symptoms of Anorexia Nervosa


Symptoms:

Extremely low caloric intake

An obsession with exercising

Emotional problems

An unnatural interest in food

A distorted body image

Denial of an eating problem

Lesson 2

Physical consequences of anorexia are related to malnutrition and starvation. It may stop menstruation in women.

Health Consequences of Anorexia Nervosa


Other consequences:

Loss of bone density

Low body temperature

Low blood pressure

Slowed metabolism

Reduction in organ size

Serious heart problems

Lesson 2

A person with bulimia nervosa

Bulimia Nervosa


Purges the food from the body

Binges or quickly consumes large amounts of food

Fasts or follows a strict

diet

Lesson 2

The exact cause of bulimia is unknown, but societal pressures, self-esteem issues, and family problems may be factors.

Symptoms:

Distorted body image

Unnatural interest in food

Causes and Symptoms of Bulimia


Lesson 2

Health Consequences of Bulimia Nervosa

Vomiting destroys tooth enamel and causes tooth decay. It also damages the tissues of the stomach, esophagus, and mouth.

Frequent vomiting and diarrhea can lead to dehydration, kidney damage, and irregular heartbeat.

Frequent use of laxatives can disrupt digestion and absorption and can cause nutrient deficiencies. It can also change the composition of the blood.


Lesson 2

People with binge eating disorder consume huge amounts of food at one time but do not try to purge.

This disorder may signal the use of food as a coping mechanism for strong emotions or depression.

Binge Eating Disorder


Lesson 2

Binge eating disorder often results in unhealthful weight gain,

which contributes to health problems such as:

Health Consequences of Binge Eating Disorder

Type 2 diabetes.

Heart disease and stroke.

Gallbladder problems.

High blood pressure.

High cholesterol.

Increased risk of certain types of cancer.


Lesson 2

People with eating disorders need professional medical and psychological help. They may also benefit from support groups and clinics.

Help for Eating Disorders


Lesson 2

How You Can Help People with Eating Disorders


If you believe a friend might be developing an eating disorder, you can:

Discuss the problem with a trusted adult.

Encourage your friend to seek professional help, and be supportive.

Lesson 2

1. Liquid diets

2. Fasts

3. Diet pills

4. Fad diets

Q. _____ are weight-loss plans that

are popular for only a short time.

Quick Review

Choose the appropriate option.

Lesson 2

A. Fad diets are weight-loss plans that are popular for only a short time.

Click Next to attempt another question.

Quick Review - Answer

Lesson 2

Q. Describe the symptoms and treatment of the eating

disorder anorexia nervosa.

Quick Review

Provide a short answer to the question given below.

Click Next to view the answer.

Lesson 2

A. Symptoms of anorexia nervosa include:

Extremely low caloric intake

An obsession with exercising

Emotional problems

An unnatural interest in food

A distorted body image

Denial of an eating problem

Treatment includes a stay at a hospital where the person can receive nutrients to regain weight and strength. It also requires psychological counseling.



Lesson 2

Q. What is bulimia nervosa?

Quick Review


Click Next to view the answer.

Lesson 2

A. Bulimia nervosa is a disorder in which some form of purging or clearing of the digestive tract follows cycles of overeating.



Lesson 2

Why do people with eating disorders require assistance from professional health services?

Quick Review


Lesson 2 Risky Weight-Loss Strategies

Fad diets are hard to stick with because they limit food variety.

Some are costly because they require dieters tobuy certain products.

They fail to provide the body with the nutrients it needs for health and growth.

Any weight lost on fad diets is usually regained.

Fad Diets

Fad diets are weight-loss plans that are popular for only a short time.

Fad diets are weight-loss plans that are popular for only a short time.

Lesson 2

Weight cycling is common in people who follow fad diets. Weight loss on these types of diets is usually from water, not body fat.

Water weight lost is quickly regained.

Slow and steady weight loss is the best strategy for long-lasting results.

Weight Cycling

Weight Loss and Weight Gain

The repeated pattern of loss and regain of body weight is called weight cycling.

The repeated pattern of loss and regain of body weight is called weight cycling.

Lesson 2

An eating disorder may be brought on by mental or emotional factors such as:

Poor body image.

Family pressures.

Social pressures.

Perfectionism.

Genetics.


What Causes Eating Disorders?

An eating disorder is an extreme, harmful eating behavior that can cause serious illness or even death.

An eating disorder is an extreme, harmful eating behavior that can cause serious illness or even death.

Lesson 2

Anorexia nervosa is a psychological disorder with emotional and physical consequences.

The disorder relates to an individual’s self-concept and coping abilities.

Outside pressures, high expectations, a need to be accepted, and a need to achieve are characteristics associated with the development of anorexia.

Anorexia Nervosa


Anorexia nervosa is a disorder in which the irrational fear of becoming obese results in severe weight loss from self-imposed starvation.

Anorexia nervosa is a disorder in which the irrational fear of becoming obese results in severe weight loss from self-imposed starvation.

Lesson 2

A person with bulimia nervosa

Binges or quickly consumes large amounts of food

Fasts or follows a strict

diet

Bulimia nervosa is a disorder in which some form of purging or clearing of the digestive tract follows cycles of overeating.

Bulimia nervosa is a disorder in which some form of purging or clearing of the digestive tract follows cycles of overeating.

Purges the food from the body

Bulimia Nervosa


Lesson 2

People with binge eating disorder consume huge amounts of food at one time but do not try to purge. This disorder may signal the use of food as a coping mechanism for strong emotions or depression.

Binge Eating Disorder


Binge eating disorder is a disorder characterized bycompulsive overeating.

Binge eating disorder is a disorder characterized bycompulsive overeating.

Lesson 2

A. Correct! Fad diets are weight-loss plans that are popular for only a short time.



Lesson 2

You have answered the question incorrectly. Go back to tryagain, or click Next to view the correct answer.


Lesson 2 Do you… Fad Diets and Eating Disorders These weight-loss strategies are risky. Not only...

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