The neurological condition can cause people like Robert F. Kennedy Jr. to have voices that break and can sound “strangled.” ...

Spasmodic dysphonia is a rare neurological disorder that causes involuntary spasms in the vocal cords, making speech strained ...

While there is no single therapy that effectively treats spasmodic dysphonia, some interventions can help people improve their voices. For example, Botox injected into the larynx muscles can block ...