This strange syndrome is linked to regular cannabis use—and cases have doubled

Nausea. Severe abdominal pain. Compulsive bathing. These are some of the hallmarks of cannabinoid hyperemesis syndrome, a medical condition that’s on the rise. Sierra Callaham was 23 when she had her first monthlong bout of daily abdominal pain, nausea, and cyclical vomiting. She was bewildered but chalked it up to stress—work had been rough, and […]