KALAMAZOO -- Vice President-elect Joe Biden is known today as a strong debater and public speaker. But to his grade-school classmates, he was known as "Ba-ba-BI-BI-den Blackbird." Biden endured years ...

Childhood-onset fluency disorder is a communication disorder characterized by a disturbance in the flow and timing of speech that is inappropriate for an individual’s age. Also referred to as ...

Stuttering is a speech disorder that disrupts the natural flow of speech, marked by repeating, pausing, or prolonging certain sounds and syllables. Individuals who stutter know what they want to say; ...

The largest genetic analysis of stuttering has demonstrated a clear genetic basis for the speech disorder, highlighting neurological pathways of risk. The study, published July 28 in the journal ...