Repairing damaged hearts - first step to rejuvenation

A trial is about to start in the UK using engineered viruses to repair hearts damaged by heart attacks. The gene therapy will hopefully return the muscle back to how it was before the damage occured. Not only will this help people survive one of the big 10 killers, it doesn't take much imagination to take this a step further to rejuvenate aged muscles and organs to how they were in younger healthier bodies. Read full story on BBC News