overdraft facility. A credit agreement made with a financial institution that permits an account holder to use or withdraw more than they have in their account, without exceeding a specified maximum negative balance.
Without treatment, moyamoya disease can be fatal. Left untreated, individuals with the disease will experience mental decline and multiple strokes due to the narrowing of the arteries. Related: 1  Learn the signs and symptoms of a stroke.
Without treatment, Graves' disease can lead to heart problems, weak and brittle bones, and even death. âThyroid stormâ is a very rare, life-threatening condition that can occur if overactive thyroid is not treated. An acute stress, such as trauma, surgery, or infection, usually triggers it to occur.