Continue to Site »
Site will load in 15 seconds
Advertisment: FundCanna » FundCanna Order 123 » CBT ROS 970X250 Billboard Ad October 2025 » rp-cbt-970x250

Researchers Developing Portable Marijuana Breathalyzer


Noelle New Headshot Fmt Headshot

Pullman, Wa. (CBS SEATTLE) —Researchers at Washington State University are developing a breath test for marijuana that would be similar to current alcohol detection methods, but would indicate levels of THC active in a driver’s system.

Herbert Hill, a chemistry professor at Washington State University, is working with a research team at the university to create a device that can detect THC — the chemical behind marijuana’s mind-altering effects — on a person’s breath. Officers in Washington state and Colorado, where marijuana is legal, would no longer have to use blood tests to determine if the driver of a vehicle has been using the drug.

Advertisment: Frank Mayer » Frank Mayer Order 84 » CBT ROS Medium Rectangle 300x250 October 2025 » Frank Mayer CBT Web Ad - July 2025.jpg

“We believe, at least initially, that it would lower the false positives that an officer would have,” Hill told the Tacoma News Tribune. “They would have a higher level of confidence in making an arrest.”

Read more

Advertisment: Frank Mayer » Frank Mayer Order 84 » CBT ROS Medium Rectangle 300x250 October 2025 » Frank Mayer CBT Web Ad - July 2025.jpg
Advertisment: Frank Mayer » Frank Mayer Order 84 » CBT ROS Medium Rectangle 300x250 October 2025 » Frank Mayer CBT Web Ad - July 2025.jpg
Page 1 of 58
Next Page
Advertisment: Fluence » Fluence Order 95 » CBT ROS Mobile Adhesion 360x120 October 2025 » FLU-DBA_PYTHN_360-x-120