A man developed psychosis after following ChatGPT’s advice about replacing salt. After three months on the diet, he exhibited symptoms including hallucinations, paranoia, and confusion, ultimately requiring a three-week involuntary psychiatric hold. The 60-year-old man had no prior psychiatric history. The patient replaced sodium chloride—table salt—with sodium bromide, a compound banned by the FDA since 1975 due to its toxic effects. Doctors diagnosed him with bromism, a condition historically