Genetics
Results of several family and twin studies suggest that it is highly likely that
anorexia and bulimia can run in families, and researchers are searching for genes that indicate susceptibility to these disorders.
Eating disorder research scientists suspect that multiple genes may interact with environmental and other factors to increase the risk of developing these illnesses. Identification of these genes will permit the development of improved treatments for
eating disorders.
The Brain
Other eating disorder research studies are investigating the neurobiology of emotional and social behaviors relevant to eating disorders and the neuroscience of feeding behavior.
Scientists have learned that both appetite and energy expenditure are regulated by a highly complex network of nerve cells and molecular messengers called neuropeptides. These and future discoveries will provide potential targets for the development of new pharmacologic treatments for eating disorders.
Hormones
Further insight is likely to come from studying the role of gonadal steroids. Their relevance to eating disorders is suggested by the apparent link between gender and eating disorders, their emergence at puberty or soon after, and the increased risk for eating disorders among girls with an early onset of menstruation.
Benefits of Participation in Eating Disorder Research
In order for most eating disorder research to be conducted, volunteers are needed. Patients who join eating disorder research studies have the first chance to benefit from treatments that have shown promise in earlier research. They also make an important contribution to medical science by helping doctors learn more about eating disorders. Although eating disorder research trials may pose some risks, researchers take very careful steps to protect their patients.
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