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.
The long-term outlook for hyperthyroidism depends on its cause. Some causes can go away without treatment. Others, like Graves' disease, get worse over time without treatment. The complications of Graves' disease can be life-threatening and affect your long-term quality of life. Early diagnosis and treatment of symptoms improve the long-term outlook.