Dangerous artificial marijuana, with names like K2 and Spice, is used less in states where weed is legalized

The use of deadly artificial forms of cannabis that can't be detected in drug and urine tests have been on the rise in the US. Now, a new study has found that the legalization of marijuana might be putting a small dent in their popularity.

source https://www.cnn.com/2022/08/09/health/synthetic-marijuana-study-wellness/index.html