In moyamoya disease, arteries to your brain become narrow and may even close, leading to reduced delivery of oxygen-rich blood to your brain. This lack of blood flow to the brain can cause a stroke and other symptoms.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
Make your tax-deductible gift and be a part of the cutting-edge research and care that's changing medicine.