What is it called when I don't feel like eating? Anorexia vs. Anorexia Nervosa
                                
                                
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                                    4 min read                                
                            
                                According to a study published in NIH, loss of appetite may be caused by a variety of factors, from stress and illness to medications, hormonal changes, or underlying health conditions. The medical term for the symptom of not feeling like eating is anorexia, a condition distinct from the eating disorder anorexia nervosa.