Lack of which component in diet causes hypothyroidism?
A
water
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B
potassium
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C
vitamin C
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D
iodine
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Solution
The correct option is D iodine Low levels of iodine in the diet may lead to hypothyroidism and enlargement of the thyroid gland. Hypothyroidism is characterised by lethargyness and obesity.
Hypothyroidism is largely being controlled by adding sodium iodide to commercial table salt (“iodised” salt). Thus option (d) is correct.