It has been concluded that the possible mechanisms of dyspeptic symptoms caused by foods include abnormal gastric motor responses during the digestion of food, postprandial fullness, acid hypersensitivity, duodenal hypersensitivity, food allergy, food intolerance, or sensitivity.5,6 High-fat foods can cause symptoms such as postprandial fullness, nausea, and satiety by stimulating plasma cholecystokinin levels in patients with FD.7 Sensitivity to coffee and acidic foods also increases in FD. The gene discussed is CCK; the disease is Fabry disease.