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Is anorexia a disease?

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Anorexia nervosa (AN) is not a disease. A disease is when there is a harmful change in the structure or function of an organism. (1) Anorexia is a disorder, meaning it affects a person's mood, emotions, and behavior. (2)

Last updated on 
October 27, 2022
In this article

Anorexia is a mental illness

Anorexia and other eating disorders are not diseases, and are instead considered mental illnesses. Those with anorexia experience a range of emotional and behavioral symptoms, such as: (3)

  • Preoccupations with food
  • Skipping meals and denying hunger
  • Fear of gaining weight
  • Frequently weighing oneself, measuring the body, or checking the mirror for physical changes
  • Withdrawing from friends and family

It's complicated to pinpoint the cause of any mental disorder, including anorexia, but it is believed to be a combination of a person's biology, psychology, and environment. Some triggers for mental illnesses like anorexia include major life transitions, such as moving to a new school or losing a loved one, and physical and psychological trauma.

Co-occurring mental health disorders

People with anorexia tend to struggle with other mental health disorders besides their eating disorders. A few common co-occurring mental health disorders include:


There are different types of anxiety disorders. An anxiety disorder causes fear and uneasiness that doesn't go away or worsens with time. (4) In some cases, a person's anxiety can keep them from participating in daily activities, such as school and work. Three common anxiety disorders that may co-occur with anorexia are generalized anxiety, obsessive-compulsive disorder (OCD), and social anxiety. 

Generalized anxiety

Someone with generalized anxiety feels worried or restless most days. (5) For someone with anorexia, those feelings often concern food, personal health, or physical appearance. A person with generalized anxiety may also feel restless, irritable, or tired. They also tend to experience difficulty concentrating or trouble sleeping. 

Obsessive-compulsive disorder 

A person with obsessive-compulsive disorder (OCD) lives with recurring thoughts and/or behaviors that they cannot control. (6) Someone with anorexia and OCD may develop rituals around their food intake or eating behaviors. They also tend to have a preoccupation with their body image. 

Social anxiety

Social anxiety, sometimes also called social phobia, is an anxiety disorder in which a person is overwhelmed in social situations. (5) There's typically a fear that their behaviors will embarrass them. People with anorexia may experience social anxiety around eating in front of others and avoid going to restaurants or attending events with meals built into the schedule. 


Depression is a mental health disorder that negatively affects people's feelings and behaviors. (7) Depression can range from mild to severe. Those with depression may experience intense sadness, loss of interest in previously enjoyed activities, irritability, anger, appetite changes, trouble sleeping, fatigue, and difficulty concentrating. Their eating disorder may also cause them to miss out on social gatherings or other experiences, further fueling their depression. Depression may develop in an individual with anorexia who feels self-conscious or misunderstood.

When to get help for anorexia 

It takes courage to seek help for an eating disorder, and it's never too early to seek help. A person does not need to experience intense symptoms or co-occurring mental health disorders to start their healing journey. And finding a trusted, reputable treatment option is the first step to healing. As soon as individuals feel they're struggling with their relationship with food, dieting, or self-image, it's time to seek help.

Within Health can help

Within Health provides a revolutionary way for people with anorexia to receive clinically superior and continuous care at home. Treatments strike a balance between coping with the challenges around food and body image and exploring the eating disorder's interpersonal concerns. The experts at Within understand the complexity of eating disorders and use evidence-based treatment personalized to each client. 

Within Health approaches every client with empathy, humanity, and authenticity. The Within Health team is a community that promotes inclusivity, no matter an individual's shape, size, gender expression, sexuality, race, or background. Call our team to get started today.

Disclaimer about "overeating": Within Health hesitatingly uses the word "overeating" because it is the term currently associated with this condition in society, however, we believe it inherently overlooks the various psychological aspects of this condition which are often interconnected with internalized diet culture, and a restrictive mindset about food. For the remainder of this piece, we will therefore be putting "overeating" in quotations to recognize that the diagnosis itself pathologizes behavior that is potentially hardwired and adaptive to a restrictive mindset.

Disclaimer about weight loss drugs: Within does not endorse the use of any weight loss drug or behavior and seeks to provide education on the insidious nature of diet culture. We understand the complex nature of disordered eating and eating disorders and strongly encourage anyone engaging in these behaviors to reach out for help as soon as possible. No statement should be taken as healthcare advice. All healthcare decisions should be made with your individual healthcare provider.


  1. Encyclopædia Britannica, Inc. (n.d.). Disease. Encyclopædia Britannica. https://www.britannica.com/science/disease
  2. U.S. National Library of Medicine. (2021, December 7). Mental disorders. MedlinePlus. https://medlineplus.gov/mentaldisorders.html
  3. Mayo Foundation for Medical Education and Research. (2018, February 20). Anorexia nervosa. Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/anorexia-nervosa/symptoms-causes/syc-20353591
  4. U.S. National Library of Medicine. (2021, September 20). Anxiety. MedlinePlus. https://medlineplus.gov/anxiety.html
  5. U.S. Department of Health and Human Services. (n.d.). Anxiety disorders. National Institute of Mental Health. https://www.nimh.nih.gov/health/topics/anxiety-disorders
  6. U.S. Department of Health and Human Services. (n.d.). Obsessive-compulsive disorder. National Institute of Mental Health. https://www.nimh.nih.gov/health/topics/obsessive-compulsive-disorder-ocd
  7. American Psychiatric Association. (n.d.). What is Depression? https://www.psychiatry.org/patients-families/depression/what-is-depression


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