Brain researcher, Jill Bolte Taylor watched as her brain functions – motions, speech, self-awareness – shut down one by one as she had a massive stroke. Watch her astonishing story:

Did you know that a stroke occurs every 40 seconds? It’s the No. 4 cause of death and No. 1 cause of disability for Americans. But, like heart disease, it’s largely preventable.

Since May is American Stroke Month, we’re asking you to make sure your family and friends know the warning signs of a stroke. It could save their life. Share this post because time lost is brain lost.