The digestive system turns food into nutrients that are absorbed by the body and removes waste. The mouth, oesophagus, stomach, small and large intestine, rectum and anus are involved.
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Symptoms of Barrett's oesophagus are similar to regular heartburn, which means many people don't seek treatment until their condition is quite advanced.
Too much amniotic fluid surrounding the baby during pregnancy (polyhydramnios) may indicate the presence of defects of the digestive tract.
Food inside the stomach is only kept there by the force of gravity so to avoid heartburn, don't lie down after a big meal.
Hiccups that last for days, weeks or even years may be symptomatic of underlying disease.
Risk factors for throat cancer include smoking and heavy alcohol consumption.