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Guest voiceover: Dr. Larry Goldstein

ALS is caused by the destruction of motor neurons. Find out how scientists are attempting to use stem cells as trojan horses to repair the injured motor neurons and produce new healthy motor neurons!

This video was produced as part of the Americans for Cures Foundation's Report Back to the Public program. For more information about Lou Gehrig's disease, check out the Americans for Cures website, and follow us on Facebook or Twitter for live updates.”