Question

Give reason why deficiency of iodine causes goitre in short way

Answer 1

You need a certain amount of iodine in your body in order for it to make a chemical known as thyroid hormone. Thyroid hormone controls your metabolism and other important body functions.

Low levels of iodine are not the only cause of low thyroid function. But a lack of iodine can cause an abnormal enlargement of the thyroid gland, known as a goiter, and other thyroid problems. In children, it can cause mental disabilities.

Your body doesn’t naturally make iodine, so the only way to get this nutrient is through your diet. Adults typically require 150 micrograms (mcg) per day. Pregnant and breastfeeding women need 200 mcg per day.

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