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by ridgeguy 3279 days ago
Depends on the type of stroke. There are occlusive strokes, which are due to blockage by plaques, and there are hemorrhagic strokes, which are due to vessel failure and bleeding.

Anecdata: My dad died of a hemorrhagic stroke. My mom of an occlusive stroke. No plaques in my dad. A very few in my mom. It's complicated.