Dog Study Raises Prospect of Biological Pacemaker for Humans, Indiana University Study  
2/28/2013 8:11:24 AM

If your heart doesn't beat correctly, you can get an electronic pacemaker and live happily ever after -- or at least until it wears out and you need another one. Now, the results of an animal study add to existing evidence that people may one day have an alternative to living out their days with an electronic device implanted in their chests: gene therapy.