While it's unclear what led to the specific viral moment, experts have thoughts on the health secretary's known health condition. For anyone paying attention to politics in the United States, it is no mystery that Secretary of Health and Human Services Robert F. Kennedy Jr. has a speech condition that results in staggered speaking. That condition is called spasmodic dysphonia, which occurs when the vocal folds cramp closed when someone is speaking, creating an interruption in the sound,