Sam Nelson began using ChatGPT when he was a high school senior to answer random questions and help with his homework. During his freshman year at the University of California, Merced, in 2023, he also started querying the chatbot about how to use illicit drugs safely. At first, ChatGPT responded that it couldn’t answer such questions and advised Mr. Nelson to seek help from a medical professional. But over time, it became more willing to engage. By Mr. Nelson’s sophomore year, ChatGPT was