Drug tests are available for opioids, methamphetamine, cocaine, marijuana, barbiturates, phencyclidine, ...

Add Yahoo as a preferred source to see more of our stories on Google. Missouri plans to spend millions from state marijuana taxes on a laboratory to help regulators keep tabs on the safety and potency ...

As Texas lawmakers debat e whether to regulate or ban THC products, officials with the state’s crime labs say they don’t have the resources currently to enforce whatever law is passed. “From a crime ...