A Department of Health and Human Services spokesperson called the move "a radical departure from past practices."

The HHS is set to require placebo tests for all vaccines moving forward. Kennedy is one of about 50,000 Americans who have spasmodic dysphonia. It may be time to add a handful of this nut to your daily snack rotation.

Health and Human Services Secretary Robert F. Kennedy Jr. intends to shift the way vaccines are tested, a move that the agency said will increase transparency but that medical experts fear could limit access to vaccines and undermine the public’s trust in immunization depending on its implementation.