A healthy, whole-food plant-based diet is linked to a lower risk of ischemic stroke, with studies showing reduced risk compared to meat-eaters. The conclusion of this paper[1] for example reads that "Lower risk of total stroke was observed by those who adhered to a healthful plant-based diet."
Additionally, researchers at Harvard found that a plant-based diet may lower overall stroke risk by up to 10%. [2]
Hey, do whatever helps you sleep at night. That's what I do. We're all going to the same place - a couple of years here and there won't do much when you're that old anyway.