….. Furthermore, the precise influence of genetic and environmental factors will vary from person to person. For some patients, genetics may be the main factor, while for others, the environment might play a more important role in leading to anorexia nervosa [and other eating disorders]. Naturally, this complicates the picture, in terms of research but also in terms of treatment. Perhaps – and this is just my hypothesis – this may explain why patients respond differently to various treatments. Perhaps a large part of it is due to differences in the degree to which genetic and environmental factors played a role in the development and maintenance of the patient’s eating disorder. Perhaps if we were able to determine the extent of, say, genetic influence in any given patient, we would be able to tailor treatment for that person ….
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