Large language models (LLMs) are infiltrating the medical field. One in 10 doctors already use ChatGPT in day-to-day work, and patients have taken to ChatGPT to diagnose themselves. The Today Show featured the story of a 4-year-old boy, Alex, whose chronic illness was diagnosed by ChatGPT after over a dozen doctors failed to do so. This rapid adoption to much fanfare is in spite of substantial uncertainties about the safety, effectiveness, and risk of generative AI (GenAI). U.S. Food and Drug Ad...