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Anorexia Nervosa and Bulimia Nervosa

Introduction
Everybody eats. We do so both because we need to and because we enjoy it. However, as with all human behavior, there are huge differences between people. Some eat more, some eat less, some put on weight easily, and others do not. Some people go to such extremes that they harm themselves, by eating too much or too little as a result they may harm their. This brochure deals with anorexia nervosa and bulimia nervosa.

Although it is easier to talk about them as different conditions, individual patients often suffer from symptoms of both.  Bulimia often develops after a period of months or years of anorexic symptoms.

Women suffer from these disorders 10 times as often as men. Although often thought of as adult problems, these disorders most often start in the teenage years while the sufferer is still at home

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Anorexia Symptoms

  • Fear of fatness
  • Under-eating
  • Excessive loss of weight
  • Vigorous exercise
  • Monthly periods stop

Anorexia usually starts in the mid-teens and affects 1 fifteen-year-old female in every 150. Occasionally it may start earlier, in childhood, or later, in the 30s or 40s. Females from professional or managerial families are possibly more likely to develop it than females from working-class backgrounds. Other members of the family have often had similar symptoms.

Anorexia usually begins with the everyday dieting that is so much a part of teenage life. About a third of anorexia sufferers have been overweight before starting to diet. Unlike normal dieting, which stops when the desired weight is reached, in anorexia the dieting and the loss of weight continue until the sufferer is well below the normal limit for her age and height. The tiny amount of calories that the person is taking in may be disguised by the quantities of fruit, vegetables and salads that they eat.  Also, anorexics’ will often exercise vigorously or take diet pills to keep their weight low.  In addition, in spite of the anorexics’ own attitude to eating, they may take an avid interest in buying food and cooking for others.

Although technically the word anorexia means 'loss of appetite', sufferers with anorexia actually have a normal appetite, but drastically control their eating.

As time wears on,  the patient’s with anorexia may develop some of the symptoms of bulimia. They may then make themselves sick or use laxatives as ways of controlling their weight. Unlike sufferers from 'pure' bulimia, their weight will continue to be very low.

Bulimia Symptoms

  • Fear of fatness
  • Binge-eating
  • Normal weight
  • Irregular periods
  • Vomiting and/or excessive use of laxatives

This condition usually affects a slightly older age group, often women in their early to mid-twenties who also have been overweight as children. It will affect 3 out of every 100 women at some time in their lives. Like anorexics, people with bulimia suffer from an exaggerated fear of becoming fat. Unlike women with anorexia the bulimic woman usually manages to keep their weight within normal limits. They can do this because, although they try to lose weight by making themselves sick or taking laxatives, they also 'binge eat'. This involves eating, in a very short time, large quantities of fattening foods that they would not normally allow themselves. For example, they might eat numerous boxes of cookies, several boxes of chocolates and a number of pieces cake in two hours or less. Afterwards they will make themselves sick, and feel very guilty and depressed. This bingeing and vomiting may raise or lower her weight by up to 10Ib within a very short period of time. It is extremely uncomfortable, but for many it becomes a vicious circle that they cannot break out of. Their chaotic pattern of eating comes to dominate their lives.

Consequences of Anorexia and Bulimia

Starvation:

  • Broken sleep 
  • Constipation 
  • Difficulty in concentrating or thinking straight 
  • Depression 
  • Feeling the cold 
  • Brittle bones which break easily 
  • Muscles become weaker -it becomes an effort to do anything 
  • Death 

Vomiting

  • Stomach acid dissolves the enamel on teeth 
  • Puffy face (due to swollen salivary glands) 
  • Irregular heartbeats 
  • Muscle weakness 
  • Kidney damage 
  • Epileptic fits 

Laxatives

Causes
There are many different ideas about the causes of these two disorders and it is important to stress that not all will apply to every sufferer.

Social Pressure
In societies, which do not value thinness, eating disorders are very rare. In surroundings such as ballet schools, where the value of thinness is extreme, it is  very common. Generally in Western cultures 'thin is beautiful'. Television, newspapers and magazines are full of pictures of thin, attractive young men and women. They push miracle diets and exercise plans to enable us to mold our bodies to the pattern of these artificial, idealized figures, to conform to the shape the media tells us we should be. As a result, almost everybody diets at some time or other. It is easy to see how this social pressure might cause some young women to diet excessively and eventually to develop anorexia.

Control
It has to be said that dieting can be a very satisfying activity. Most of us know the feeling of achievement when the scales tell us that we have lost a couple of pounds! It is good to feel that we have managed to control ourselves in a clear, visible way. It can be especially satisfying for in teens that may feel their weight is the only part of their lives over which they do have any control. So it is easy to see how dieting can become an end in itself, rather than just a way of losing weight.

Puberty
A female with anorexia may lose or not fully develop some of the physical characteristics of an adult woman, such as pubic hair, breasts and monthly periods. As a result, they may look very young for their age. Dieting can therefore be seen as a way of putting off some of the demands of maturing, particularly the sexual maturity. Unfortunately, this condition makes it difficult for female to develop the maturity and self-awareness that come from facing and dealing with the problems of growing up.

Family
Eating is a most important part of our lives with other people. Accepting food gives pleasure to whoever is providing it, refusing it will often cause offence. This is particularly true within families! Some children and teenagers seem to find that saying no to food is the only way they can either express their feelings or have any influence in the family

Depression
Most of us are familiar with the experience of eating for comfort when we are upset, or even just bored. Many sufferers with bulimia have depressive symptoms and it may be that their binges started off as a way of coping with feeling unhappy. However, feeling bloated will make these feelings worse, while vomiting and purging leave a feeling of guilt.

Stessors
We all have different ways of reacting to the bad things that happen to us in life. For some people, anorexia or bulimia seem to be triggered off by an upsetting event, such as the break-up of a relationship. Sometimes it need not even be a bad event but just an important one, like marriage or leaving home

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Seeking Help
In anorexia it is usually family members who realize that something is wrong when they notice their sister or daughter is not only thin but also continuing to lose weight. Although to others this weight loss appears alarming and excessive, the sufferer will hardly ever admit that there is a problem. Anorexics continue to believe that they are over-weight.  Others may not recognize the problem for some time because of the large amounts of 'healthy' (but of course non-fattening) foods are being eaten.

In bulimia the sufferer often feels guilty and ashamed of their behavior and may go to great lengths to hide it. This is despite the fact that eating huge amounts of food and then vomiting it back up is extremely time-consuming and exhausting. It may affect their performance at work and will certainly make it difficult to lead an active social life. So, it can be a huge relief finally to have to admit to the problem.

Recognition
The first step to treating a disorder is recognizing it. It is much easier to help somebody with anorexia or bulimia if the problem is spotted and dealt with quickly.  The longer that it remains unrecognized, the worse the problem tends to become, and the harder it is to help. Anorexia can be life threatening, so it is important to see a physician.

Referral
Once the problem is recognized, the sufferer should be seen by a psychiatrist or psychologist who has experience with these disorders. Your family doctor will know whom to contact. Although until recently there has been a tendency to admit people with anorexia to hospital, most can be treated as outpatients if the weight loss is not too severe.

Assessment
The first step the psychiatrist will take is to have a long talk with the patient to find out when the problem started and how it developed. This will involve discussing many aspects of her feelings and her life. She will need to be weighed. Depending on the loss of weight, a physical examination and blood tests may be necessary. With their permission, the psychiatrist will almost certainly want to talk with friends and family members, to see what light they may be able to shed on the problem.

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Treatment

Anorexia
If someone has become excessively thin and their periods have stopped, it makes sense for them to try to get back to somewhere near an acceptable weight. To help with this, both the patient and the family will first need information. What is a 'normal' weight for her? How many calories are needed each day to get there? For many sufferers, the most important question is, "How can I make sure that I don't shoot past that weight and become fat?” In anorexia, the patient has excessive control of their eating. How can they ease up? For youngsters still living at home, it is the parents' job to watch over the food that is eaten, at least for a while. This involves both making sure that they have regular meals with the rest of the family, and that they get enough calories. Mounds of lettuce can be very deceptive. It is also important that the family gets support regularly both to check on weight and for support. 

Only if these simple steps do not work, or if the weight loss threatens life, is admission to hospital usually considered. In-patient treatment consists of much the same combination of dietary control and talking, only in a much more structured environment.

Bulimia
Here, the priority is to get back to a regular pattern of eating. The aim is to maintain a steady weight on three meals a day at regular times, without either starving or vomiting. Sufferers are usually older than anorexics and not living at home, so the emphasis is more on their keeping diaries of their disordered eating habits and developing self-control. Again, dietary information needs to be given so gaining too much weight doesn’t discourage the sufferer.  The other important part of treatment is psychotherapy - talking about things in the past or the present that may have a bearing on the eating disorder and other personal difficulties.

For those sufferers with depression in addition to their bulimia, anti-depressant medication may be necessary.

Self Help
Having seen your doctor or specialist, you may find it helpful to join a self-help group in which other people share similar problems. These groups can provide both information and support during the difficult times that everybody with these problems goes through. Your family doctor should be able to recommend a suitable local group.  Reading can help to give you the information you need to eat sensibly, and to know what a reasonable weight is for you.

This brochure was adapted by Duke University Medical Center Department of Psychiatry from The Royal College of Psychiatrists

© Copyright The Royal College of Psychiatrists. Reprinted with permission by the Computers in Psychiatry Special Interest Group and Department of Mental Health, University of Exeter.

Original Brochure produced with the help of an educational grant from Eli Lilly and Co.

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