In this study, researchers assessed the effects of hyperthyroidism and hypothyroidism on incident breast cancer in women from the Sister Study.

Immunovant, Inc. IMVT shares gained 10.8% on Wednesday after the company announced new six-month off-treatment results from a proof-of-concept study evaluating its investigational candidate, ...

Hyperthyroidism is a condition that occurs when your thyroid gland produces too much thyroid hormones. It’s often referred to as overactive thyroid or Graves’ disease. Several types of cancer ...

Some research suggests there may be a link between hyperthyroidism and tachycardia. When a person has hyperthyroidism, the body produces too much thyroid hormone, which can affect the heart. People ...