Iodized salts helps to prevent an inadequate production of thyroid hormones .
What is iodized salts ?
Iodized salt is a table salt . it is a mixture of very little amount of sodium iodide and potassium iodide .
It helps to prevent iodine deficiency .
It is a micronutrient and dietary mineral that is naturally present in the food supply .and also it is a heavy element .generally found near sea coasts .
Iodine deficiency disease includes hypothyroidism .
What is hypothyroidism ?
It occurs due to less secretion of thyroid hormone caused by iodine deficiency .it causes stunted growth . it shows low rate of metabolism .
Hypothyroidism includes diseases like myxoedema or gull's disease , cretinism .
Inadequate supply of iodine in diet causes enlargement of the gland known as simple goitre.
Thyroid hormones :
It is secreted by endocrine glands known as thyroid gland . it includes two types of hormones known as thyroxine and calcitonin .
Thyroxine is an iodine containing hormone known as tetra-iodothyroxine(80%) and tri-iodothyroxine (20%).
calcitonin is secreted from thyroid gland and is polypeptide hormone .
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