Synthetic marijuana sends hundreds to ED

US More than 200 people in Colorado who smoked synthetic marijuana during a one-month period last summer developed altered mental states severe enough to require emergency care, according to an article in JAMA.

The investigation showed patients had visited emergency departments with a variety of  symptoms, including systolic blood pressure exceeding 120mm Hg (64% of patients), heart rate of more than 100 beats/min (57%), somnolence (35%), aggressive or violent behaviour