CannibiSenS, a handheld rapid saliva test for THC, was developed by researchers at UT Dallas. [Photo: UTD]
Called CannibiSenS, the device can distinguish between THC and CBD. Unlike over-the-counter tests that can detect THC but aren't able to determine its concentration, this device can measure THC levels with 94% accuracy, the UTD team says, reducing "false positive" tests. See who could potentially use the device—and why.