William Matthew London explains how recent CDC changes falsely cast doubt on the overwhelming scientific consensus that vaccines do not cause autism, misrepresenting evidence and reviving long-debunked claims under political pressure. London argues that applying the "negative evidence principle" shows that decades of rigorous research failing to find any association is precisely why we are justified in saying vaccines do not cause autism.

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https://skepticalinquirer.org/exclusive/the-cdcs-autism-and-vaccines-webpage-and-the-negative-evidence-principle/

About the Author:

William Matthew London is a professor of public health at Cal State LA and the editor of the free weekly email newsletter Consumer Health Digest.

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MAHA's summit highlighted how the movement selectively embraces real science—such as evidence-based benefits of creatine—only when it aligns with its ideology and commercial interests. Tiller argues that this strategic, opportunistic use of science is more dangerous than denialism because it cloaks misinformation in a veneer of credibility.

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https://skepticalinquirer.org/exclusive/maha-isnt-denying-science-its-doing-something-much-worse/

About the Author:

Dr Nick Tiller is an exercise scientist and author of The Skeptic's Guide to Sports Science, named one of Book Authority's "Best Sports Science Books of All Time." He's a columnist at Skeptical Inquirer and an elected Fellow of the Committee for Skeptical Inquiry. www.nbtiller.com

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Skeptical Inquirer Audio Edition is a production of the Committee for Skeptical Inquiry and the Center for Inquiry.

Susan Gerbic recounts here experience at the Santa Cruz County SkeptiCamp 2025.

Read this article and find accompanying references at:

https://skepticalinquirer.org/exclusive/santa-cruz-county-skepticamp-2025/

About the Author:

Affectionately called the Wikipediatrician, Susan Gerbic is the cofounder of Monterey County Skeptics and a self-proclaimed skeptical junkie. Susan is also founder of the Guerrilla Skepticism on Wikipedia (GSoW) project. She is a Fellow of the Committee for Skeptical Inquiry, and writes for her column, Guerilla Skepticism, often. You can contact her through her website.

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