+Hypothyroidism is a condition where the [Thyroid](/wiki/thyroid) gland does not produce enough [Thyroid Hormone](/wiki/thyroid_hormone). This deficiency can slow the body's metabolism, often leading to fatigue, weight gain, and cold sensitivity.
+## See also
+- [Hyperthyroidism](/wiki/hyperthyroidism)
+- [Endocrine System](/wiki/endocrine_system)
+- [Metabolism](/wiki/metabolism)
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