Evaluation of Research into Eating Disorders Essay examples
Anorexia Nervosa and Bulimia Nervosa
Anorexia Nervosa and Bulimia Nervosa are the two main types of eating disorders that have been found, mainly in the western world.
The term Anorexia Nervosa means Loss of appetite, but sufferers of Anorexia Nervosa do not actually have a loss of appetite, in fact most of the people with Anorexia have normal appetites and will most likely be very hungry, but they will still behave as if they have lost their appetite. The A.P.A (American Psychiatric Association) (1994) states that Anorexia occurs in 0.5-1.0 % of females in late adolescence or early adulthood.
The main characteristic of Anorexia Nervosa is …show more content…
Another Biological explanation of eating disorders is that they are genetically inherited. The A.P.A (1994) stated that, from diagnostic statistics, there is an increased risk of eating disorders amongst first-degree Biological relatives (siblings, parents and children). Research done by Holland et al (1984), into monozygotic twins (MZ) and dizygotic twins (DZ), MZ twins have exactly the same genes whereas DZ twins need be no more alike then any normal siblings. The nature of this research was to see if MZ twins have a higher concordance (meaning that they both