This volume analyzes the resurgence of false narratives about autism rates in Cuba and among Amish people in the U.S. following recent statements by President Trump. It also examines health-related cases before the Supreme Court this term, including challenges to state bans of conversion therapy for LGBTQ+ people and on school vaccine mandates. Lastly, it highlights research showing the limitations of AI chatbots as primary sources of health information.

Following the Trump administration’s warning last month that using acetaminophen – the active ingredient in Tylenol – during pregnancy can increase the risk of autism in children, very few (4%) adults say the claim about a causal relationship is “definitely true,” a new KFF Tracking Poll on Health Information and Trust finds.