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

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 ...

Kennedy has a condition called spasmodic dysphonia, a neurological disorder that impacts the muscles in the voice box, also known as the larynx, according to the National Institute on Deafness and ...