Approximately 95% of those affected by anorexia are female, but males can develop the disorder as well. While anorexia typically begins to manifest itself during early adolescence, it is also seen in young children and adults. In the U.S., it is estimated that about one out of every 100 adolescent girls has the disorder. Caucasians are more often affected than people of other racial backgrounds, and anorexia is more common in middle and upper socioeconomic groups. According to the U.S. National Institute of Mental Health (NIMH), an estimated 0.5%-3.7% of women will suffer from this disorder at some point in their lives.
Many experts consider people for whom thinness is especially desirable, or a professional requirement (such as athletes, models, dancers, and actors), to be at risk for eating disorders such as anorexia nervosa.
At this time, no definite cause of anorexia nervosa has been determined. However, research within the medical and psychological fields continues to explore possible causes.
Studies suggest that a genetic component may play a more significant role in determining a person's susceptibility to
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