No one speaks with perfect fluency all the time. Everyone occasionally says “um”  or “like,”  repeats a word, or pauses to find the right one. These normal disfluencies differ from stuttering , where interruptions in speech occur more frequently and can impact communication, confidence, and emotional well-being. For people who stutter, these moments can bring feelings of loss of control, frustration, shame, or even trauma. For some, stuttering resolves in childhood; for other

Learn key facts about stuttering from the National Stuttering Association. Discover how stuttering develops, why it varies, and what research tells us about effective communication and support.

Learn what stuttering is, what causes it, and how therapy helps. Explore definitions, causes, and treatment options in this evidence-based guide from the National Stuttering Association.