A stranger's stem cells could work as well as your own when it comes to repairing damaged heart tissue.

That's from a small new study from the university of miami miller school of medicine included just 30 patients who'd had a heart attack.

The study used a specific type of stem cells taken from bone marrow. they provided the same benefits regardless of whether the cells came from the patient or a donor.

They were able to minimize cardiac scar tissue and were found to be safe.

Larger studies are planned.