7/11/2011 PERMALINK
Injecting stem cells into the heart heals blood vessels Research by Douglas Losordo of Northwestern University suggests that stem cells have the power to restore damaged blood vessels in your heart including those too small to be helped by stents or angioplasty. Patients with chest pain from aging hearts reported relief from the pain and were able to exercise longer after doctors injected stem cells taken from their bone marrow into their heart.