The Claims
Robert F. Kennedy Jr. has promoted several health claims that contradict the scientific consensus. Before he ran HHS, they were conspiracy theories shared on social media. Now they shape federal policy.
Vaccines cause autism. They do not. The original 1998 Wakefield study was fraudulent and retracted. Wakefield lost his medical license. Dozens of studies involving millions of children have found no link. Kennedy has promoted this claim for over a decade. As HHS Secretary, he directed the CDC to remove 6 vaccines from the recommended childhood schedule.
Fluoride harms cognition. A study published in Science Advances tracking thousands of Americans for decades found no link between recommended fluoride levels and lower cognitive skills. Children who grew up with fluoridated water performed slightly better on academic measures. Kennedy called fluoride evidence “overwhelming.” HHS ordered the CDC to convene a review panel. Utah banned fluoride in public water in March 2025, the first state to do so.
Raw milk is safe. The CDC recommends against unpasteurized dairy because it can carry pathogens including bird flu, E. coli, and Listeria. People are 800 times more likely to become infected drinking raw milk compared to pasteurized. Kennedy has promoted raw milk as part of his “Make America Healthy Again” platform. Multiple states expanded raw milk sales in 2025.
The Policy Changes
These are not abstract beliefs. Each one produced a specific federal action.
The vaccine schedule change affects how pediatricians counsel parents. When the HHS Secretary says the government no longer recommends routine childhood vaccination for 6 diseases, some parents will not vaccinate. Measles cases hit a 30-year high. Two children died.
The fluoride review creates uncertainty around a public health measure that has reduced childhood tooth decay for 80 years. When the government signals doubt, communities act on that doubt. Utah banned fluoride. Other states are considering it.
The raw milk promotion undermines food safety messaging during an active bird flu outbreak. The CDC has not changed its guidance. But when the Secretary of Health promotes a product the CDC warns against, the contradiction itself is the damage.
The Evidence Standard
Brookings noted that Kennedy’s history of medical misinformation “raises concerns” that are not political. They are epidemiological. When a government official promotes claims that contradict peer-reviewed research, the public health consequence is measurable.
FactCheck.org documented Kennedy’s specific claims during his confirmation hearings and the evidence that contradicts each one. Rolling Stone catalogued his medical conspiracy theories. These are not editorial opinions. They are comparisons between his statements and published research.
The 5-step autocracy pattern captures institutions to change what they do. Capturing HHS changes what the government tells 330 million people about their health. The mechanism is the same. The consequences are counted in measles cases, delayed drug approvals, and halted clinical trials.
Read more on the Healthcare hub and the countries that stopped vaccinating.