Question

People living in hilly area have swollen neck why give reason

Answer 1

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People who live in hilly areas generally suffer from a disease known as simple goitre which is caused by the lack of iodine. The soil of hilly areas is deficient in iodine.So, the neck of people swelled up sometime or we can called that the person is suffering from goitre.

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Answer 2

Explanation:

People who live in hilly areas generally suffer from a disease known as simple goitre which is caused by the lack of iodine. The soil of hilly areas is deficient in iodine.So, the neck of people swelled up sometime or we can called that the person is suffering from goitre.