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Genetic mutations linked to stuttering

Scientists discover first mutations associated

Updated: Friday, 12 Feb 2010, 9:46 AM CST
Published : Friday, 12 Feb 2010, 9:46 AM CST

(NBC) - Scientists have discovered the first genetic mutations associated with stuttering.

About one in 100 adults stutter, but the problem is much more common among young children. It affects one in 20 children.

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