Researchers at Aarhus University screened electronic health records from nearly 54,000 psychiatric patients and found an association between increased chatbot use and worsening symptoms of delusions and mania, warning that sycophantic chatbot behavior may reinforce pathological beliefs. Professor Søren Dinesen Østergaard led the study, which builds on earlier work linking chatbots to cognitive dissonance in vulnerable users. Mental‑health professionals quoted in the coverage—Jodi Halpern (UC Berkeley) and Adam Chekroud (Yale)—said chatbots’ tendency to validate users can be particularly hazardous for those prone to psychosis. Campus counseling centers and student‑health services should reassess policies on recommending or deploying chatbot tools and update triage protocols. Universities engaged in AI deployments must factor clinical evidence into tool selection, coordinate with campus mental‑health services, and require transparency from vendors about validation and safety for clinical populations.