Remember that burning sensation in your chest after a heavy meal? Makes you think your heart is on fire? Well, in reality, it’s not your heart on fire, but the feeling is understandable. ‘Heartburn’, as the phenomenon is known, is caused by stomach acid which happens on account of an irritation in the oesophagus, i.e. the tube that connects your throat to your stomach. It leads to a burning discomfort in your upper belly and lower breast bone.

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