Which statement is true about eating disorders?

a. they often result in anxiety and difficulty sleeping through the night.
b. they can result in kidney damage, low blood pressure, and dehydration.
c. they usually develop because of a dramatic, unpleasant event in childhood.

The statement that is true about eating disorders is option C. They usually develop because of a dramatic, unpleasant event in childhood. Usually, eating disorders develop because of psychological issues such as depression, low self-esteem, conflicts in the family and troubled relationship. Diagnosing eating disorders is usually accompanied by psychiatric assessment. 

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Olfactory epithelium i believe