Stem-cell find breathes new life into lung repair

There have been new stem cells researched that would cure people with damaged lungs, whether it be from smoking or people with asthma. It was first tested on mice and it worked. It is very similar to the H1N1 vaccine. The real question is can it be trusted? One scientist says that it has great potential to help a lot of people. But, if this was made, would it give people an excuse to smoke? That is a potential risk, but like I said it would help people with asthma and most likely help to make their lives easier