Underactive thyroid low libido

Underactive Thyroid

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What is the thyroid gland?

The thyroid is a butterfly-shaped gland consisting of two lobes. It is situated in the neck just below the Adam’s apple. The thyroid produces two hormones - thyroxine (T4) and tri-iodothyronine (T3) which help to regulate the metabolism in every cell. They are essential for normal growth and development. T3 is also produced in the liver and kidneys. The pituitary gland in the brain helps to control the amount of thyroid hormones in the blood. When the levels are low, the pituitary produces Thyroid Stimulating Hormone (TSH) to increase the production of T4 and T3.

diagram of the thyroid gland What is hypothyroidism?

This is the term for an underactive thyroid gland when insufficient amounts of T4 or T3 are produced.

What are the symptoms of an underactive thyroid?

Thinning of outer edge of eyebrows

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