The majority of children who stutter will spontaneously recover from it without intervention, but some 20% of people do not. fizkes/iStock via Getty Images Plus

What causes stuttering? A speech pathology researcher explains the science and the misconceptions around this speech disorder

Stuttering is a complex neurodevelopmental disorder that affects about 1 in 100 people across the world. Yet the precise biological pathways that underlie stuttering are not well understood.

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