RFK Jr.'s raspy voice is the result of a condition called spasmodic dysphonia. What is it?

Spasmodic dysphonia is a rare neurological disorder that causes a strained voice. RFK Jr. says he has had the disorder for decades and treats it with Botox injections, a common treatment.

RFK Jr.'s raspy voice is the result of a condition called spasmodic dysphonia. What is it?
Robert F. Kennedy Jr. speaks at the Renaissance Phoenix Downtown Hotel on August 23, 2024, in Phoenix, Arizona. President Trump has nominated Kennedy to lead the the U.S. Department of Health and Human Services.

Spasmodic dysphonia is a rare neurological disorder that causes a strained voice. RFK Jr. says he has had the disorder for decades and treats it with Botox injections, a common treatment.

(Image credit: Rebecca Noble)