Media Bias Fact Check (MBFC) publishes daily vetted fact checks from verified IFCN-approved sources. Each claim is independently reviewed for accuracy and context.
Claimant: Robert F. Kennedy Jr.
Claim: Increased autism diagnoses cannot be explained by better detection and must involve an environmental toxin.
Rating: BLATANT LIE
Explanation: Kennedy cited accurate CDC figures showing increased autism prevalence, but experts say autism involves multiple genetic, environmental and biological factors. Improved screening, broader diagnostic criteria and better detection help explain rising diagnoses, and research does not support vaccines as the cause.
Date: 08/24/2026
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Last Updated on August 24, 2026 by Media Bias Fact Check