Robert F. Kennedy Jr., recently appointed to lead the U.S. Department of Health and Human Services, has sparked significant debate over his controversial changes to vaccination policies. While advocating for increased transparency and individual choice, many health experts argue that his reductions in immunization guidance contradict established science and will lead to more confusion and distrust among the public. As trust in health agencies has already declined, Kennedy's approach raises alarms among medical professionals who warn that misinformation could worsen the public health crisis.