Unexpected Stop for Marijuana Tourists? The Emergency Room

A phenomenon called "marijuana tourism" may be leading to an uptick in marijuana-related emergency-room visits in Colorado, one of the few states where recreational use of the drug is legal, a new report finds. Since it became legal to sell marijuana in Colorado in 2014, the number of emergency-room visits possibly related to marijuana has increased more among out-of-state residents, compared with Colorado residents, according to the report. The data match what doctors have been reporting seeing