Hypothyroidism is a deficiency of thyroid gland function marked by underproduction of the hormone, thyroxine.

Low functioning thyroid occurs in approximately 10% to15% of the adult population. Mild to severe hypothyroidism occurs in 10% to 12%, while moderate to severe hypothyroidism occurs in 1% to 4% . Hypothyroidism occurs slightly more in females than males.

Hypothyroidism that occurs in children results in delayed physical growth and decreased mental function.

The thyroid gland is one of the largest endocrine glands in the human body and is located in the front and sides of the neck just below the Adam’s apple. It serves as a storehouse of iodine. Thyroxine is the chief hormone produced in the thyroid gland.

The main function of the thyroid gland is to maintain proper growth and metabolism in the human body. Metabolism is a general term used to describe the sum of all physical and chemical processes that occur in the human body. It includes the digestion and absorption of food particles into amino acids, carbohydrates and fats that are used to build and maintain body structure and function.
Body temperature is a reliable indicator of thyroid gland function. The normal oral human temperature is 36.4 C to 37.5 C. Low body temperature below 36.4 C suggests hypothyroidism.

Symptoms of hypothyroidism include physical and mental sluggishness, fatigue, malaise, depression, muscle........

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