PARIS: One day, cardiac patients may enjoy a new lease on life with pig hearts beating in their chests, said researchers reporting a major advance Tuesday in cross-species organ transplantation. Given the dire shortage of organ donors, the use of animal hearts, lungs or livers to save human lives has long been a holy grail of medical science. But organ rejection has stood stubbornly in the way. On Tuesday, scientists from the United States and Germany said they had succeeded in keeping transplanted pig hearts alive in...
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