Biological psychologists look at the influence of hormones, genes, the brain and the central nervous system and at the way we think, feel, and act (Johnston, 2006). Eating Disorders sometimes run in families, but no one knows for sure how the disorder develops. Researchers have found that several parts of the brain are involved in fear and anxiety (Sjoerds et al., 2013). Some people more than others are born more vulnerable to anorexia, bulimia, and depression (Myer, 2008). Researchers have hypothesized that high levels of serotonin may cause people to experience eating disorders. To gain control of the eating disorders individuals restrict their food intake (Gale, …show more content…
People suffering from bulimia typically binge eat and then eliminate the calories consumed. Bulimics usually self induce vomiting or take laxatives or diuretics to eliminate calories. Similar to the anorexic, anxiety in bulimics is often present before the eating disorder. Binging and purging behavior is typically done in private and can be obsessive. Bulimia Nervosa and anorexia are very similar in regard to symptomology. One major difference between bulimia and anorexia, is that bulimia has the purging component. Purging becomes compensatory behaviors through vomiting, taking laxatives or diuretics. While a person can have anorexia with a purging component, bulimia also requires a person to consume a large amount of food in a small amount of time. Another differentiation factor is that women suffer from amenorrhea, which is caused from anorexia, not