Kennedy has a rare disorder called spasmodic dysphonia — a spasm of the vocal muscles. Kennedy is one of an estimated 50,000 people in North America with spasmodic dysphonia, a neurological ...

Spasmodic dysphonia (SD) is a neurological disorder caused by dystonia (abnormal sustained muscle contraction) of the vocal cords, hence also referred to as “laryngeal dystonia”. Depending on the ...

As Robert F. Kennedy Jr. answered questions during the second day of the Senate confirmation hearings for his nomination to head the U.S. Department of Health and Human Services, many people have ...

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.