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A Project of The Annenberg Public Policy Center

RFK Jr.’s Inaccurate Claims About Tylenol, Circumcision and Autism

RFK Jr.’s Inaccurate Claims About Tylenol, Circumcision and Autism

Health and Human Services Secretary Robert F. Kennedy Jr. further added to the Trump administration’s problematic claims about Tylenol and autism on Oct. 9, alleging during a Cabinet meeting that circumcision-related studies provide evidence that the drug causes the condition when given to children. The studies, however, do no such thing.

RFK Jr. Misleads About Antidepressants and School Shootings

RFK Jr. Misleads About Antidepressants and School Shootings

A day after a shooting at a school in Minnesota, Health and Human Services Secretary Robert F. Kennedy Jr. claimed, as he has before, that certain antidepressant drugs, known as SSRIs, “might be contributing to violence” in such cases. Experts say there is no direct evidence linking SSRIs to mass shootings. He also falsely claimed SSRIs have black box warnings for homicidal ideation.

Q&A on the 2025-2026 COVID-19 Vaccines

Q&A on the 2025-2026 COVID-19 Vaccines

Amid confusion over this year’s updated COVID-19 vaccines, we explain what’s different this year and who experts say should get vaccinated.

Q&A on Changes to Recommendations for Combined MMR and Chickenpox Vaccine

Q&A on Changes to Recommendations for Combined MMR and Chickenpox Vaccine

On Sept. 18, the vaccine advisory committee for the Centers for Disease Control and Prevention voted to change its recommendation on the combined vaccine for chickenpox and measles, mumps and rubella, called the MMRV vaccine. We spoke to experts about claims made at the meeting as well as the implications of the vote.

Trump Misleads on Climate Change and Renewables at U.N.

Trump Misleads on Climate Change and Renewables at U.N.

In an hourlong address before the U.N. General Assembly on Sept. 23, President Donald Trump lashed out at those promoting “the green energy agenda.” Along the way, he made numerous false and misleading claims about renewable energy and climate change, many of which we’ve fact-checked before.

The Facts Behind Claims on Autism, Tylenol and Folate

The Facts Behind Claims on Autism, Tylenol and Folate

News reports have indicated Health and Human Services Secretary Robert F. Kennedy Jr. may point to Tylenol and folate deficiency in his promised announcement on the causes of autism. But neither Tylenol nor folate deficiency has been shown to cause autism. Some evidence has pointed away from Tylenol as a risk factor.

COVID Vaccines Are Harder to Get, Despite Claims from HHS, RFK Jr.

COVID Vaccines Are Harder to Get, Despite Claims from HHS, RFK Jr.

Heated exchanges between some senators and Health and Human Services Secretary Robert F. Kennedy Jr. during a Sept. 4 hearing amplified confusion about the availability of COVID-19 vaccinations for the fall, with Kennedy misleadingly claiming that “anybody” can still get a vaccine. HHS policies have created roadblocks to vaccine access.

RFK Jr. Cherry-Picks and Misuses Data on Aluminum-Containing Vaccines

RFK Jr. Cherry-Picks and Misuses Data on Aluminum-Containing Vaccines

A large Danish study recently provided reassurance that aluminum-containing vaccines are not associated with increased rates of chronic health conditions in children, including autism. But Health and Human Services Secretary Robert F. Kennedy Jr. misrepresented the study’s findings, claiming that the paper’s supplementary data “shows calamitous evidence of harm.”