In addition to social and cultural influences, evidence suggests that genetic factors may predispose individuals to the development of eating disorders.

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Unlike the majority of the adult population that struggles with being overweight, a significant minority experiences eating disorders, which frequently lead to individuals being underweight. People with these conditions, such as anorexia nervosa and bulimia nervosa, typically have an intense fear of weight gain and are at risk for severe adverse health outcomes.

Eating Disorders

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

 •An eating disorder marked by the pursuit of extreme thinness, purposeful maintenance of a significantly low body weight, intense fear of becoming overweight, distorted view of of body weight, and the placement of inappropriate emphasis on body weight or shape in the evaluation of one self.

Anorexia Nervosa

While anorexia and bulimia nervosa can affect individuals from diverse cultural backgrounds, the population most at risk tends to be White females residing in Western societies. Research also highlights that females aged 15 to 19 are particularly vulnerable.

Demographic Risk Factors for Anorexia and Bulimia Nervosa

Sociocultural factors, such as the promotion of thinness as an ideal of beauty in media and fashion, are significant contributors to the development of eating disorders. While these pressures particularly affect many young females, eating disorders are prevalent across various ages and genders.

Sociocultural Influences on Eating Disorders

In addition to social and cultural influences, evidence indicates that genetic factors may contribute to the development of eating disorders. This suggests that some individuals might have a biological predisposition that increases their vulnerability to conditions like anorexia and bulimia nervosa.

Genetic Predisposition to Eating Disorders

More severe symptoms of anxiety and depression are correlated with more debilitating eating disorder symptoms in young women.

Comorbidity with Anxiety and Depression

1. Sander, J., Moessner, M., & Bauer, S. (2021). Depression, Anxiety and Eating Disorder-Related Impairment: Moderators in Female Adolescents and Young Adults. International journal of environmental research and public health, 18(5), 2779. https://doi.org/10.3390/ijerph18052779

References for Eating Disorders

Unlike the majority of the US adult population who struggle with being overweight, a significant minority experience eating disorders that commonly result in being underweight. A hallmark of these disorders is an intense fear of gaining weight.

Underweight in Eating Disorders

Bulimia nervosa is an eating disorder characterized by a cycle of binge eating followed by compensatory actions. Individuals consume abnormally large amounts of food and then attempt to offset this intake through behaviors such as purging or excessive exercising.

Bulimia Nervosa

Although anorexia and bulimia nervosa occur across various cultures, White females in Western societies are the most susceptible. Furthermore, research indicates that the highest risk population encompasses females between the ages of 15 and 19.

At-Risk Population for Eating Disorders

Genetic Factors in Eating Disorders

Eating disorders are strongly linked to sociocultural factors and are widely considered culturally-bound phenomena. Their development is particularly associated with the promotion of a thin ideal in popular media and the fashion industry.

Cultural Factors in Eating Disorders

While anorexia and bulimia nervosa are present in many different cultures, White females from Western societies, specifically those between the ages of 15 and 19, represent the population with the highest risk of developing these disorders.

At-Risk Populations for Anorexia and Bulimia Nervosa

Eating disorders are widely suspected to be culturally-bound phenomena. Their prevalence is strongly associated with societal messages and the thin ideal frequently promoted in the fashion world and popular media.

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