Plaintiffs allege that Tylenol makers and distributors failed to warn pregnant users about a heightened risk of autism and ADHD in their children. Although the multidistrict litigation judge issued a summary‑judgment ruling in favor of the defendants in August 2024, the decision is now being challenged on appeal.

The Kansas Attorney General has filed a lawsuit against Pfizer, accusing the company of misleading the public about the safety and effectiveness of its COVID-19 vaccine. The lawsuit alleges Pfizer concealed known risks, overstated the vaccine's efficacy, and coordinated with social media to suppress criticism, raising concerns about transparency and public trust.