Spasmodic dysphonia is a rare vocal disorder characterized by a strained, uneven and uncontrolled voice while speaking.

Kennedy has said he has spasmodic dysphonia. It is a voice disorder characterized by involuntary spasms in the muscles that control the vocal cords, or folds. This causes difficulty in speaking ...

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 ...

He also said on The Diane Rehm Show in 2005 that he's received Botox shots into his vocal cords every four months. Spasmodic dysphonia is a neurological disorder where the muscle in the voice box ...

spasmodic dysphonia is a neurological disorder that causes involuntary spasms in the muscles that open and close a person's vocal cords, resulting in a "voice that presents with breaks and ...

There are three different types of the condition, with the most common type being Adductor spasmodic dysphonia. This condition causes “sudden involuntary spasms that trigger the vocal cords to ...

Some people with mild spasmodic dysphonia might hear an improvement ... Rehm Show in 2005 that he received Botox shots into his vocal cords every four months, according to NPR.

There are three different types of the condition, with the most common type being Adductor spasmodic dysphonia. This condition causes “sudden involuntary spasms that trigger the vocal cords to stiffen ...

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