Addison’s disease, also known as primary adrenal insufficiency, is a rare but serious condition. It happens when the adrenal glands, located above the kidneys, don’t make enough important hormones, ...

In 1964, Zachary Cope attributed Austen’s death to Addison’s disease. Addison’s disease is a rare form of adrenal insufficiency. Symptoms are slow and gradual, and can include stomach issues, overall ...