1. Fad Diets and Eating Disorders
Do you…
Eat only a few types of food?
Follow a liquid diet?
Use diet pills?
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.

2. Lesson Objectives In this lesson, you’ll learn to:
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.

3. Risky Weight-Loss Strategies
Fad Diets
Fad diets are hard to stick with because they limit food variety.
Some are costly because they require dieters to buy 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.

4. Risky Weight-Loss Strategies
Liquid Diets
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.

5. Risky Weight-Loss Strategies
Dangers of Liquid Diets
Relying on high-protein, low-carbohydrate liquids as the only source of nutrients can cause serious health problems and even death.
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.

6. Risky Weight-Loss Strategies
Fasting
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.

7. Risky Weight-Loss Strategies
Diet Pills
Many diet pills work by suppressing appetite. A low-risk pill that
meets claims of “burning,” “blocking,” or “flushing” fat from the
body has not yet been developed.
Drowsiness
Side Effects of
Diet Pills
Racing Heart
Addiction
Dehydration

8. Weight Cycling Weight Loss and Weight Gain
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.

9. The Risks of Eating Disorders
What Causes Eating Disorders?
An eating disorder may be brought on by mental or emotional factors such as:
Poor body image.
Family pressures.
Social pressures.
Perfectionism.
Genetics.

10. The Risks of Eating Disorders
Anorexia Nervosa
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.

11. The Risks of Eating Disorders
Symptoms of Anorexia Nervosa
Medical specialists have found genetics, hormones, and certain brain chemicals to trigger anorexia in some people.
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

12. The Risks of Eating Disorders
Health Consequences of Anorexia Nervosa
Physical consequences of anorexia are related to malnutrition
and starvation. It may stop menstruation in women.
Other consequences:
Loss of bone density
Low body temperature
Low blood pressure
Slowed metabolism
Reduction in organ size
Serious heart problems

13. The Risks of Eating Disorders
Bulimia Nervosa
A person with
bulimia nervosa
Binges or quickly consumes large amounts of food
Fasts or follows a strict
diet
Purges the food
from the body

14. The Risks of Eating Disorders
Causes and Symptoms of Bulimia
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

15. The Risks of Eating Disorders
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.

16. The Risks of Eating Disorders
Binge Eating Disorder
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.

17. The Risks of Eating Disorders
Health Consequences of Binge Eating Disorder
Binge eating disorder often results in unhealthful weight gain,
which contributes to health problems such as:
Type 2 diabetes.
Heart disease and stroke.
Gallbladder problems.
High blood pressure.
High cholesterol.
Increased risk of certain types of cancer.

18. The Risks of Eating Disorders
Help for Eating Disorders
People with eating disorders need professional medical and psychological help.
They may also benefit from support groups and clinics.

19. The Risks of Eating Disorders
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.

20. Q. _____ are weight-loss plans that
Quick Review
Choose the appropriate option.
Q. _____ are weight-loss plans that
are popular for only a short time.
1.   Liquid diets
2.  Fasts
3.  Diet pills
4.  Fad diets

21. Quick Review - Answer
A. Fad diets are weight-loss plans that are popular for only a short time.
Click Next to attempt another question.

22. Quick Review Provide a short answer to the question given below.
Q. Describe the symptoms and treatment of the eating disorder anorexia nervosa.
Click Next to view the answer.

23. A. Symptoms of anorexia nervosa include:
Quick Review - Answer
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.
Click Next to attempt another question.

24. Q. What is bulimia nervosa?
Quick Review
Provide a short answer to the question given below.
Q. What is bulimia nervosa?
Click Next to view the answer.

25. Quick Review - Answer
A. Bulimia nervosa is a disorder in which some form of purging or clearing of the digestive tract follows cycles of overeating.
Click Next to attempt another question.

26. Quick Review Provide a short answer to the question given below.
Why do people with eating disorders require assistance from professional health services?

27. Risky Weight-Loss Strategies
Fad Diets
Fad diets are hard to stick with because they limit food variety.
Some are costly because they require dieters to buy 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 are weight-loss plans that are popular for only a short time.

28. Weight Cycling Weight Loss and Weight Gain
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.
The repeated pattern of loss and regain of body weight is called weight cycling.

29. The Risks of Eating Disorders
What Causes Eating Disorders?
An eating disorder may be brought on by mental or emotional factors such as:
An eating disorder is an extreme, harmful
eating behavior that can cause serious illness or even death.
Poor body image.
Family pressures.
Social pressures.
Perfectionism.
Genetics.

30. The Risks of Eating Disorders
Anorexia Nervosa
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 is a disorder in which the irrational fear of becoming obese results in severe weight loss from self-imposed starvation.

31. The Risks of Eating Disorders
Bulimia Nervosa
A person with
bulimia nervosa
Bulimia nervosa is a disorder in which some form of purging or clearing of the digestive tract follows cycles of overeating.
Binges or quickly consumes large amounts of food
Fasts or follows a strict
diet
Purges the food
from the body

32. The Risks of Eating Disorders
Binge Eating Disorder
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 is a disorder characterized by
compulsive overeating.

33. Quick Review - Answer
A. Correct! Fad diets are weight-loss plans that are popular for only a short time.
Click Next to attempt another question.

34. Quick Review - Answer
You have answered the question incorrectly. Go back to try
again, or click Next to view the correct answer.