Hyperthyroidism, or overactive thyroid, happens when your thyroid gland makes and releases more thyroid hormone than your body needs. This speeds up many body functions

Hypothyroidism, or underactive thyroid, happens when your thyroid gland does not make enough thyroid hormone to meet your body’s needs. When hormone levels are low,

Thyroid problems come in several main types, often grouped by whether the gland is underactive, overactive, Understanding Thyroid Problems: Types, Causes, and Management Your thyroid

Thyroid problems are common, often lifelong conditions that affect how your body uses energy, but with the right diagnosis and management most people can live