Story perspectives
WHO Recognizes Cannabis Hyperemesis Syndrome Amid Rising ER Visits
12/4/2025
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Story summary
- The World Health Organization (WHO) has officially acknowledged cannabis hyperemesis syndrome (CHS), also known as scromiting, as a serious condition linked to chronic marijuana use.
- Dr. Sam Wang notes that rising THC levels in cannabis may contribute to CHS.
- From 2016 to 2023, emergency room visits by adolescents aged 13 to 21 rose tenfold.
- A new medical diagnosis code for CHS was established in October 2025, improving tracking.