Background History of Anorexia Nervosa

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Anorexia nervosa’s (AN) first descriptions began during the twelfth and thirteenth century with the historical Saint Catherine of Siena (Deans, 2011). It is related to participating in religious functions and medieval practices of self-starvation (Deans, 2011). Furthermore, the death of popular singer, Karen Carpenter in 1983 created the societal awareness about the effect of anorexia nervosa and become widely known at the end of the twentieth century (Rader, 2012).
Nowadays, anorexia nervosa has become more common, especially in the western countries such as the United States. The reason of increment in the prevalence rate is believed to be influenced by the fashion and media industries (Rader,
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Anorexia nervosa (AN) hypothesized to be an influence of genetic and environmental factors (Favaro, Tenconi and Santonastaso, 2006, p. 82). As well, Connan, Campbell, Katzman, Lightman, and Treasure (as cited in Favaro et al., 2006, p. 82), revealed that impairment in the neurodevelopment cause by insufficiencies of neuropsychological, nervous abnormalities, dysfunction of morphological brain changes could be a trail to anorexia nervosa. Favaro et al. (2006, p. 86) mentioned that there are probability to develop an anorexia nervosa if the mothers with anorexia nervosa during pregnancies cause by damage of central nervous system development due to lack of supply oxygen and other needed nutrients. As mentioned, the effect of obstetric difficulties drive to increase the rate of AN. Based on the Favaro et al. (2006, p. 87) study, the risk of developing AN is related to the obstetric complications which results show positive correlation.
Besides, Attia and Walsh (2007, p. 1807) indicated that underweight patients, might get biological disturbance. The sustained of the anorexia nervosa during young adulthood stage left a bad impact on getting the risk of osteoporosis because of the development on bone density (Attia & Walsh, 2007, p. 1805).
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