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.
Many medical doctors will dismiss these conditions as not being too dangerous, as Iâve read numerous sources which claim that hyperthyroidism and Gravesâ Disease are not life threatening conditions. On the other hand, other sources say these conditions can indeed be life threatening if left untreated.