There's a peculiar quality to Robert F. Kennedy Jr.'s voice that is noticeable when he addresses the public. It is caused by ...

Abductor spasmodic dysphonia, where the spasms make the vocal cords open. Mixed spasmodic dysphonia, which is very rare and ...

Spasmodic dysphonia (SD) is a neurological disorder caused ... and difficulty in generating adequate volume of speech. Mixed dysphonia patients often have a chaotic combination of inappropriate ...

Robert F. Kennedy Jr. has a disorder called spasmodic dysphonia that makes it sound like his voice is shaking. He has said the neurological disease began to affect him when he was 42.

Clay, who has spasmodic dysphonia, a voice disorder, is a vocal advocate for people with disabilities. TINTON FALLS -- Risa Clay was sworn in Tuesday night as the new mayor, taking over for the ...