Difficulty in swallowing can be found in a patient with damaged cranial nerve IX or glossopharyngeal nerve. The nerve is located in brain stem near the other cranial nerve. Glossopharyngeal nerve has a role in the sensory and motoric of the pharynx and tongue/glosus. Other cranial nerves like nervus V(trigeminal), X(vagus) and XII(hypoglossal) also have a few role in pharyngeal phase of swallowing.
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Answer:
Eat a healthy diet
Consume less salt and sugar.
Reduce intake of harmful fats.
Avoid harmful use of alcohol.
Don't smoke.
Be active.
Check your blood pressure regularly.
Get tested
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