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.
1 The only proven treatment for is surgery to create a healthy, adequate new supply of blood for the impacted areas of the brain. 2  Boston Children's Hospital is one of the only centers in the world with expertise in treating Moyamoya disease.