Swallowing problems can be caused by different health problems including certain types of cancer said The American Cancer Society.
It continued: “There can be problems with motor function, meaning messages sent from the brain aren’t getting to the oesophagus to tell to swallow.
“This can be caused by a problem in the brain or nervous system, such as a stroke, nervous system disorder, neuropathy, or tumour affecting the brain.
“Or, there can be something blocking food or fluids during swallowing, such as a large clump of food, foreign object, a narrowing of the oesophagus or a tumour in or pressing on the oesophagus.”
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source: express.co.uk