3/23/2007

Studies have offered mixed results on the benefits of stem cell therapy to treat heart disease, pointing out that to be effective there needs to be knowledge of which cells to transplant and when and how to prepare and deliver them. In a new trial focusing on patients who've not responded to other treatment, a specific blood-forming stem cell will be injected directly into the heart. One expert said that learning how to heal a damaged heart "could revolutionize cardiology."

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