This video lesson from Khan Academy provides information about a stroke, one type of circulatory system disease. Students will learn basic information about the ischemic stroke.

This video lesson from Khan Academy provides information about strokes, circulatory system diseases. Students will learn about ways to prevent further strokes.

In this segment, guest host Joe Palca talks with Jill Bolte Taylor, a brain scientist who suffered a stroke in 1996 at the age of 37.

We'll hear about two new medical studies dealing with strokes, losses of brain function due to problems in the brain's blood supply.