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Mental HealthICD-10: F50Approximately 28.8 million Americans will have an eating disorder in their lifetime

Eating Disorders

Also known as: Anorexia Nervosa, Bulimia Nervosa, Binge Eating Disorder

Eating disorders are serious mental health conditions characterized by persistent disturbances in eating behavior and related distressing thoughts and emotions. They include anorexia nervosa, bulimia nervosa, and binge eating disorder, and can lead to severe physical complications affecting the heart, bones, and digestive system. Early treatment significantly improves outcomes, and recovery is possible with professional support.

Symptoms

Dramatic weight loss or fluctuations
Preoccupation with food, calories, or body shape
Refusal to eat certain foods or entire food groups
Excessive exercise despite injury or fatigue
Withdrawal from social activities involving food
Binge eating followed by purging behaviors
Feeling out of control around food
Using laxatives, diuretics, or diet pills
Dental erosion from frequent vomiting
Dizziness or fainting

Causes

  • Genetic predisposition and family history
  • Psychological factors such as low self-esteem and perfectionism
  • Societal pressure and cultural ideals around thinness
  • History of trauma or abuse
  • Neurobiological factors affecting serotonin and dopamine

Risk Factors

  • Adolescence and young adulthood
  • Female sex (though males are also affected)
  • Family history of eating disorders or mental health conditions
  • Participation in sports or activities emphasizing appearance
  • Co-occurring anxiety, depression, or OCD

Diagnosis

  • Psychological evaluation and clinical interview
  • Physical exam including weight and vital signs
  • Blood tests to check for nutritional deficiencies and organ function
  • Assessment using DSM-5 diagnostic criteria
  • Screening questionnaires such as the EAT-26

Treatment

  • Cognitive behavioral therapy (CBT)
  • Family-based treatment (Maudsley approach)
  • Nutritional counseling and meal planning
  • Medications such as SSRIs for bulimia and binge eating
  • Inpatient or residential treatment for severe cases
  • Medical stabilization for electrolyte imbalances or malnutrition

Prevention

  • Promote positive body image and self-esteem in children
  • Avoid diet culture and restrictive eating language
  • Encourage healthy relationships with food and exercise
  • Seek early intervention at the first signs of disordered eating

When to See a Doctor

  • You or a loved one shows signs of restrictive eating or purging
  • Rapid or unexplained weight loss is occurring
  • Eating habits are causing physical symptoms like fainting or heart palpitations
  • Thoughts about food and body image are consuming daily life

Frequently Asked Questions

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Medical Disclaimer: This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.

Content reviewed against peer-reviewed medical literature and clinical guidelines. Read our editorial standards.