Several instances of irregular digestion are listed in the table below.ConditionDescriptionSymptomsHeartburnInability of the muscles at the end of the esophagus to closeBurning sensation in throat Peptic ulcersAn open wound in the lining of the stomachSharp pain between chest and belly button, nauseaConstipationCondition where a person has infrequent and uncomfortable bowel movementsInfrequent bowel movements, nauseaLactose intoleranceInability to digest or break down the lactose in milk productsDiarrhea, gas, nausea, and bloatingMaria loves ice cream, but lately she has become aware that she feels nauseated after eating it. From which condition is Maria suffering?