Spasmodic dysphonia, a neurological movement disorder, affects RFK Jr.’s vocal cords, causing difficulty in speaking and a strained voice.

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 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 ...

A clinical trial showed the effectiveness of Botox injections as a treatment for cervical dystonia. This is a movement disorder that causes involuntary muscle spasms in the neck. In this study ...

Focal hand dystonia Focal hand dystonia is a neurological disorder that causes spasms and cramping of your hand. Experts believe this condition happens due to a dysfunction of the nerves that send ...

Dystonia is a neurological condition manifested by involuntary contractions (spasms) of muscles producing twisting, squeezing or pulling movements and abnormal postures. In addition to dystonias, BTX ...

Online medical website mayoclinic.org describes dystonia as a movement disorder that causes the muscles to contract involuntarily. The muscle spasms can range from mild to severe. They may be ...