Anorexia nervosa
Other namesAnorexia
SpecialtyPsychiatry
SymptomsLow weight, fear of gaining weight, strong desire to be thin, food restrictions
ComplicationsOsteoporosis, infertility, heart damage, suicide
Usual onsetTeen years to young adulthood
CausesUnknown
Risk factorsFamily history, high-level athletics, modelling, dancing
Differential diagnosisBody dysmorphic disorder, bulimia nervosa, substance use disorder, hyperthyroidism, inflammatory bowel disease, dysphagia, cancer
TreatmentCognitive behavioral therapy, hospitalisation to restore weight
Prognosis5% risk of death over 10 years
Frequency2.9 million (2015)
Deaths600 (2015)