Moyamoya disease is a rare cerebrovascular disorder caused by blocked arteries at the base of the brain in an area called the basal ganglia. It is a progressive disease that can lead to stroke, aneurysm, or bleeding. The exact cause of moyamoya disease is unknown.

There is no specific product called "Moya Moya" mentioned in the search results. However, there are treatments available for moyamoya disease, including anti-clotting medication such as aspirin, which is commonly prescribed to reduce the risk of mini-strokes and strokes.

Since there is no specific product called "Moya Moya," there are no details available on its ingredients or materials.

Positive aspects of treatment for moyamoya disease include the ability to reduce the risk of mini-strokes and strokes through the use of anti-clotting medication. Negative aspects of the disease include the potential for serious complications such as stroke, aneurysm, or bleeding.