Stem cells might heal damaged lungs

Collectively, such diseases of the airways as emphysema, bronchitis, asthma and cystic fibrosis are the second leading cause of death worldwide. More than 35 million Americans alone suffer from chronic respiratory disease. Scientists have now proposed a new direction that could, in the future, lead to the development of a method for alleviating some of their suffering. The study's findings show how it might be possible to use embryonic stem cells to repair damaged lung tissue.

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