DISEASE SCANNER
Global Incurable Diseases Tracker
Anorexia Nervosa
A serious eating disorder characterized by restriction of energy intake leading to significantly low body weight, intense fear of gaining weight, and disturbed body image. Has the highest mortality rate of any psychiatric disorder. Affects approximately 0.5-1% of women and 0.1-0.3% of men, typically beginning in adolescence.
32.0M
18
Symptoms
Treatment Options
Risk Factors
Diagnostic Methods
- 1DSM-5 criteria assessment
- 2Eating Disorder Examination
- 3Medical evaluation (vitals, ECG, labs)
- 4BMI calculation
- 5Bone density scan (DEXA)
- 6Assessment of medical complications
- 7Psychiatric comorbidity screening
Prognosis
Standardized mortality ratio 5-10x general population; 5-10% die over 10 years. 50% fully recover, 30% partially recover, 20% have chronic course. Early intervention improves outcomes significantly. Relapse common during stress. Osteoporosis and cardiac complications may be permanent. With treatment, weight restoration achieved in 60-80%. Recovery often takes 5-7 years. Mortality from suicide, cardiac arrest, or medical complications. Treatment during first 3 years of illness has best outcomes.
Prevention
- Body image programs in schools
- Media literacy education
- Early identification of risk factors
- Family-based prevention programs
- Reducing weight-related teasing
- Promoting intuitive eating
- Mental health screening in schools
Research Status
Family-based treatment (FBT) is first-line for adolescents. CBT-E (enhanced) effective for adults. Nutritional rehabilitation essential. Research on set-point theory, reward processing abnormalities, and gut-brain axis. Olanzapine may aid weight restoration. Early intervention critical.
Affected Countries
Sources
- https://www.mayoclinic.org/diseases-conditions/anorexia-nervosa
- https://www.who.int/news-room/fact-sheets/detail/eating-disorders
- https://www.hematology.org/education/patients
- https://www.ncbi.nlm.nih.gov/books
- https://rarediseases.org/rare-diseases
Medical Disclaimer
This information is for educational purposes only. Always consult healthcare professionals for medical advice, diagnosis, and treatment.