An 18-year-old from Ohio who famously inoculated himself against his mother's wishes in December says he attributes his mother's anti-vaccine ideology to a single source: Facebook [Editor's note: the link may be paywalled; alternative source]. From a report: Ethan Lindenberger, a high school senior, testified Tuesday before the Senate Committee on Health, Education, Labor and Pensions, and underscored the importance of "credible" information. In contrast, he said, the false and deep-rooted beliefs his mother held -- that vaccines were dangerous -- were perpetuated by social media. Specifically, he said, she turned to anti-vaccine groups on social media for evidence that supported her point of view. In an interview with The Washington Post on Tuesday, Lindenberger said Facebook, or websites that were linked on Facebook, is really the only source his mother ever relied on for her anti-vaccine information.

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