Stroke doubles dementia risk. The study analyzed data on stroke and dementia risk from 3.2 million people across the world. Their findings give the strongest evidence to date that having a stroke significantly increases the risk of dementia.

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Stroke doubles dementia risk. The study analyzed data on stroke and dementia risk from 3.2 million people across the world. Their findings give the strongest evidence to date that having a stroke significantly increases the risk of dementia.