Anti-vaxxers are spreading conspiracy theories on Facebook, and the company is struggling to stop them

“A recent study from the Credibility Coalition and Health Feedback, a group of scientists who evaluate the accuracy of health media coverage, found the majority of the most-clicked health stories on Facebook in 2018 were fake or contained a significant amount of misleading information. The study looked at the top 100 health stories with the most engagements on social media, and it had a network of experts assess their credibility. The study found less than half were “highly credible.”