Latest Articles What is the vaccine preservative thimerosal? What to know about it and its removal from flu vaccines By Madison Czopek • June 26, 2025 RFK Jr. fired everyone on a key vaccine panel. Here’s who he replaced them with. By Shefali Luthra • June 18, 2025 In Context: How a 2018 vaccine committee meeting video was misleadingly edited By Madison Czopek • June 12, 2025 RFK Jr.’s statements about autism and environmental toxins conflict with ample research By Madison Czopek • April 24, 2025 Ask PolitiFact: If Robert F. Kennedy Jr. is confirmed as HHS secretary, could he ban vaccines? By Madison Czopek • November 20, 2024 'Transgender monkeys'? Musk highlights misleading posts in push for new Government Efficiency group By Caleb McCullough • November 18, 2024 RFK Jr. is suspending his 2024 presidential bid. Here are 6 fact-checks from his campaign By Madison Czopek • August 23, 2024 Did the world know about global warming a century ago, as Dean Phillips said? By Louis Jacobson • January 21, 2024 DNA fragments in mRNA COVID-19 vaccines won’t harm you, as Florida surgeon general suggests By Madison Czopek • January 11, 2024 United Facts of America: Looking at the profit motive driving anti-vaccine misinformation By Madison Czopek • November 7, 2023 How health incidents like Bronny James’ cardiac arrest fuel COVID-19 vaccine misinformation By Madison Czopek • July 31, 2023 RFK Jr.’s Wi-Fi claim about human blood-brain barriers isn’t backed by definitive research By Madison Czopek • July 10, 2023 Fact-check: Does milk consumption increase breast cancer risk? More research is needed, experts say By Maria Briceño • June 19, 2023 Anti-abortion advocates turn to the environment: Is mifepristone in wastewater a threat? By Samantha Putterman • May 31, 2023 CO2 is only 0.04% of the atmosphere, but a viral video ignores that it’s a major climate threat By Tom Kertscher • April 21, 2023 Immunity from COVID-19 infection is strong and lasting, but carries risks, research finds By Samantha Putterman • March 7, 2023 Did Ohio train derailment cause CDC to update its vinyl chloride toxicology info? No By Madison Czopek • February 24, 2023 'Died Suddenly' repeats debunked COVID-19 vaccine claims, promotes conspiracy theory By Madison Czopek • November 29, 2022 Is the titanium dioxide in tampons toxic? By Grace Abels • August 12, 2022 What we know about how monkeypox is spreading — and what we still don’t know By Madison Czopek • August 5, 2022
What is the vaccine preservative thimerosal? What to know about it and its removal from flu vaccines By Madison Czopek • June 26, 2025 RFK Jr. fired everyone on a key vaccine panel. Here’s who he replaced them with. By Shefali Luthra • June 18, 2025 In Context: How a 2018 vaccine committee meeting video was misleadingly edited By Madison Czopek • June 12, 2025 RFK Jr.’s statements about autism and environmental toxins conflict with ample research By Madison Czopek • April 24, 2025 Ask PolitiFact: If Robert F. Kennedy Jr. is confirmed as HHS secretary, could he ban vaccines? By Madison Czopek • November 20, 2024 'Transgender monkeys'? Musk highlights misleading posts in push for new Government Efficiency group By Caleb McCullough • November 18, 2024 RFK Jr. is suspending his 2024 presidential bid. Here are 6 fact-checks from his campaign By Madison Czopek • August 23, 2024 Did the world know about global warming a century ago, as Dean Phillips said? By Louis Jacobson • January 21, 2024 DNA fragments in mRNA COVID-19 vaccines won’t harm you, as Florida surgeon general suggests By Madison Czopek • January 11, 2024 United Facts of America: Looking at the profit motive driving anti-vaccine misinformation By Madison Czopek • November 7, 2023 How health incidents like Bronny James’ cardiac arrest fuel COVID-19 vaccine misinformation By Madison Czopek • July 31, 2023 RFK Jr.’s Wi-Fi claim about human blood-brain barriers isn’t backed by definitive research By Madison Czopek • July 10, 2023 Fact-check: Does milk consumption increase breast cancer risk? More research is needed, experts say By Maria Briceño • June 19, 2023 Anti-abortion advocates turn to the environment: Is mifepristone in wastewater a threat? By Samantha Putterman • May 31, 2023 CO2 is only 0.04% of the atmosphere, but a viral video ignores that it’s a major climate threat By Tom Kertscher • April 21, 2023 Immunity from COVID-19 infection is strong and lasting, but carries risks, research finds By Samantha Putterman • March 7, 2023 Did Ohio train derailment cause CDC to update its vinyl chloride toxicology info? No By Madison Czopek • February 24, 2023 'Died Suddenly' repeats debunked COVID-19 vaccine claims, promotes conspiracy theory By Madison Czopek • November 29, 2022 Is the titanium dioxide in tampons toxic? By Grace Abels • August 12, 2022 What we know about how monkeypox is spreading — and what we still don’t know By Madison Czopek • August 5, 2022
