Clarksville police could soon have a new tool to help them catch drugged drivers: the SoToxa Mobile Test System.

The case was brought by a Texas man who was prosecuted for violating a federal statute that bars people who use illegal drugs ...

More Maryland drivers smoked marijuana on the road or right before they drove after adult use was legalized in the state in ...

Scientists have developed a portable biosensor that can detect levels of BDNF, a protein linked to mental health conditions ...