For decades, police have used breathalyzers to test for alcohol, but they don’t have a reliable tool to measure marijuana use. That could change soon. Researchers are working to develop a breathalyzer ...
The post Colorado Marijuana Regulators Consider Major Changes to How Labs Test for Contaminants appeared first on ProPublica.
State of Michigan officials recently chose not to set a per se level of THC in blood or saliva to constitute impairment when driving. As more results on the subject come in, it looks like the state ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results