Article Found on News-Medical.net
You might think stem cells only exist inside a fetus, but your adult body has a stockpile of stem cells, armed and ready to respond. These remarkable cells can develop into any other type of cell, like muscle or bone or nerve cells.
Researchers know heart attacks and strokes summon these cells. They flock to your heart or brain from all over your body to help you stay alive.
But, scientists did not realize other injuries, like a torn ACL of the knee, could command the army of stem cells to deploy. Read more