Ever wondered why Robert Kennedy Jr.'s voice sounds unusual? He was diagnosed with a neurological disorder that impacts vocal cords. What to know.

Kennedy's condition is called spasmodic dysphonia, which is a neurologic disorder that can affect the voice and speech by causing the muscles that generate a person’s voice to go into periods of spasm, according to Penn Medicine. It is a lifelong condition, but can be improved with treatment in some cases, according to Penn Medicine.

American politician Robert F. Kennedy Jr. once had a very strong voice. But last month when he appeared during the Senate confirmation hearing for his nomination to the US Secretary of Health and Human Services,

RFK Jr.'s raspy voice is due to spasmodic dysphonia. The neurological disorder produces muscle spasms in the voice box.

Robert F. Kennedy Jr. has a disorder called spasmodic dysphonia that makes it sound like his voice is shaking. He has said the neurological disease began to affect him when he was 42. “I have a tremble in my

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.

Robert F. Kennedy, Jr., President Trump's nominee to serve as Secretary of Health and Human Services testifies during a Senate Committee on Health, Education, Labor and Pensions hearing for his pending confirmation on Capitol Hill,

Vaccine sceptic Robert F Kennedy Jr is on track to be confirmed as the top US health official after a key Senate committee voted along party lines to approve his nomination. The Senate finance committee on Tuesday voted 14 to 13 in favour of Kennedy’s confirmation to run the Department of Health and Human Services,

The Senate Finance Committee will vote Tuesday on Robert F. Kennedy Jr's appointment to direct the U.S. Department of Health and Human Services.