The saliva-based device would allow Clarksville Police road tests for amphetamines, oxycodone, opiates, methamphetamine, cannabis, and cocaine.

Competition is heating up, but questions remain about insurance coverage, drug pricing, copycat drugs and the role of pills in the space.

A team of researchers in Brazil has engineered an inexpensive, disposable sensor that can detect a key protein linked to ...

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