Do you know what causes a stroke ?  What happens to the body ?  Read this article from Inside Assisted Living and link to a video to answer these questions.

As with all organs in the body, the brain needs oxygen and nutrients in order to function properly. These life-sustaining products are delivered to the brain via the blood that travels through the circulatory system.  A stroke occurs when there is a lack of blood to a portion of the brain, resulting in tissue death and loss of brain function.

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