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Introduction

Food is an essentially physiological process. In the hypothalamus are located the centers of hunger and satiety, but thanks to the cerebral cortex coordinate and correlate these perceptions of the sensory organs, storage of memories of past experiences and the relationship of this behavior in the outside world of the subject all with the goal of getting food.

However theprocess is not as mechanical as it seems. Psychological development is also influenced by food. Through the womb the baby learns feelings of safety, comfort and affection. The relationship with food to these lifelong affection for this cause certain emotional states such as anxiety, depression, happiness influence feeding processes.

In Western society and more particularly, the Spanish, the act ofeating is a social act. It is eaten as a group and how they eat defines the different cultural groups. It is through food that is produced an act of social communication is a process of cohesion and group identification.

An eating disorder is a disease caused by anxiety and preoccupation with body weight and physical appearance. This occurs when a person puts a food as a centerpiece in hislife.

For the person with an eating disorder food acquires a special role (given a specific meaning according to various psychological and developmental factors) and based on her every thought and deed as part of their daily lives feeling that idea superdependiente .

Food becomes the reason you go or not to a party or meeting, avoiding visits to friends at meal times, you stop eating out atrestaurants that serve meals that "fat" by eating as one fruit or yogurt throughout the day so that food controls the lives of people with this disorder.

These diseases usually occur in adolescence, between 13 and 20 years as a period in which the body develops and changes abruptly, while the mental image we have of body is much more slower than their physiological evolution.

We could saythat advertising and the media by the appearance of models or prototypes "perfect" man and woman, beautiful and very thin, are partly responsible for the development of these eating disorders in an adolescent patient, as at this delicate stage, the adolescent is evolving both physically and psychologically and are more likely to fall into disarray food by not having yet formed or her body or herpersonality or identity.

The family also plays an important role in such disorders as originating from the same breast, and may appear as a symptom of internal conflict and personal

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ANOREXIA

According to studies, is the woman who is under pressure sociocultural and aesthetic, it is to have a slim body. This pressuredoes not mean it is a cause of eating disorders, but if it proves that is a greater concern for maintaining and / or have a thin body.

The changes experienced by adolescents and social problemasfamiliares and can be combined with certain social stereotype, and so cause the behavior typical of anorexics.

Several studies in rodents exposed to stress or cancellation of different genes,suggest that the hypothalamic-pituitary-adrenalpuede be related, although not fully tested and not the rodent that refuses food, if the investigator is the that restricts the food, plus it does not take into account cultural factors.

genetic b.Factores: The genéticatiene to do 50% for developing an eating disorder at the same time, it shares a genetic risk with clinical depression.
A recent studyof the scientific literature suggests that there is a perceptual problem if not how people evaluate information. Anorexiason people who have low self-esteem because they take into account the views of the people around them, so that such people judge their attractiveness compared to other people.

Obsession, the restriction and perfectionism are closely related to anorexia, as the obsession...