Digestive malabsorption.  Problems processing nutrients.
D003967:Diarrhea / Q000150:complications / Q000209:etiology* / Q000628:therapy; D019587:Dietary Supplements; D006801:Humans; D008286:Malabsorption Syndromes / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D015431:Weight Loss / Q000502:physiology*