As marijuana becomes more available and socially accepted, many people see it as a natural way to relax, sleep, or manage pain. But for some frequent, long‑term users, marijuana can trigger a little‑known condition called cannabinoid hyperemesis syndrome (CHS); it is characterized by repeated episodes of severe nausea, vomiting, and belly pain that can be frightening and disabling. CHS usually appears after years of regular cannabis use, often daily or near‑daily. Early on, people may notice morning nausea, decreased appetite, or vague stomach discomfort, but still go about their [...]