Dyspepsia. Artwork of dyspepsia (indigestion) showing gastro-oesophageal reflux (heartburn) in the human stomach. The acidic juices (yellow) of the stomach (red) are seen passing abnormally back up the oesophagus (at top left). This causes heartburn: inflammation and a sense of pain that can rise to the throat. The rest of the digestive system is seen as a blue background. Heartburn is a type of indigestion which is caused by over- eating, eating too fast or eating too rich or spicy food. Antacid medication provides a simple cure by neutralising the acid.
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