Overview

• Erin Moriarty announced on Instagram June 13 that she had been diagnosed with Graves’ disease in May after initially attributing her fatigue to stress
• Graves’ disease is an autoimmune disorder that causes hyperthyroidism and impacts about 1% of Americans, with women five times more at risk
• Common symptoms include profound exhaustion, unintentional weight loss, hand tremors, heat sensitivity and irregular heartbeat
• Within 24 hours of starting antithyroid medication, Moriarty reported a marked improvement in her energy levels
• If left untreated, Graves’ disease can lead to serious health issues such as atrial fibrillation, heart failure or stroke