Hypothyroidism (Underactive Thyroid) – NIDDK
On this page: What is hypothyroidism? Hypothyroidism, also called underactive thyroid, is when the thyroid gland doesn’t make enough thyroid hormones to...
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Hypothyroidism (underactive thyroid): Symptoms and more
Hypothyroidism occurs when the thyroid gland does not produce enough thyroid hormones. An underactive thyroid gland can lead to weight...
