The Hard Cell


HEAL THYSELF: A clinical trial at the London Chest Hospital is attempting to find out if adult stem cells can repair damaged hearts

Roger Johnson first realized his heart was failing during a vacation in Spain five years ago, when his lungs filled with fluid and he struggled to breathe. The 57-year-old general practitioner swiftly flew home to Manchester, England, underwent a triple bypass, had a pacemaker installed and began taking a veritable pharmacopoeia of heart drugs. Today, he can't walk more than a half-mile or work long in his garden. Unless he becomes eligible to join a transplant waiting list, modern medicine [an error occurred while processing this directive] can do little more for him. Now 62 and retired, he's taking part in a stem-cell clinical trial...

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