What is it?
Indigestion, or heartburn – medically known as dyspepsia – is a horrid burning sensation in your upper abdomen, most often caused by acid reflux. As it heads north, the acid from your stomach irritates the tender lining of your oesophagus. Sufferers can also experience regurgitation of food, nausea and bloating.
It's thought as many as 80Slideshow-99927%
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