The Foundation works to safeguard public health and liberty by performing independent investigations, producing educational content, advocating for justice, and shaping sound public health policies.

We thank our donors, board members, and partners for their unwavering support. Your contributions make our work possible and ensure a healthier, freer future for all.

The McCullough Foundation’s landmark report,Determinants of Autism Spectrum Disorder, represents the most exhaustive synthesis ever conducted on the causes of autism.

Drawing from over 300 peer-reviewed studies across epidemiology, clinical medicine, toxicology, immunology, and molecular biology, this analysis provides an authoritative, data-driven evaluation of how vaccination and other determinants contribute to autism risk.

We performed a comprehensive, evidence-based literature synthesis of findings from clinical trial data reanalyses, post-marketing surveillance, large observational studies, and other diverse research sources that help shed light on the phenomenon of myocarditis post SARS-CoV-2 infection versus COVID-19 vaccine-induced myocarditis.