06/03/2026
We often think about misinformation as something people intentionally spread. Recent research highlights a more complicated reality: Government agencies and health organizations may be inadvertently funding misinformation sites through routine digital advertising.
The study, published in JAMA Network Open, estimates that 1 in 10 health advertising dollars went to websites flagged for spreading misinformation between 2021–2024.
For public health communicators and advocates, it’s a reminder that where messages appear can matter as much as the messages themselves.
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Advertising on health misinformation websites reached $336.4 million, with $35.7 million from public health entities, threatening credibility in health info.