Read the latest research and white papers addressing the complex issue of marijuana-impaired driving.


What happens when you mix marijuana and alcohol?

December 15, 2016

Hound Labs CEO, Dr. Mike Lynn, explains why mixing marijuana and alcohol is so dangerous, and then questions of common sense behind the choice to drive high.

How has the potency of marijuana changed?

October 21, 2016

Dr. Mike Lynn, CEO and Co-Founder of Hound Labs, talks about the THC concentration in today’s marijuana products versus the THC content in the past, and the risks this poses.

Protecting Drivers from Misleading Data

September 12, 2016

While there are various methods of detecting and measuring THC in a driver who law enforcement suspects of impaired driving, a breath test is the only one that provides data on whether the driver used THC within a couple of hours of driving.  In this paper, David N. Cornfield MD, from Stanford University, explains why…

Understanding How We Tackled Drunk Driving in the 1980s and 1990s Is Important to Know as We Begin to Address Stoned Driving.

September 9, 2016

Retired CHP (California Highway Patrol) Commissioner, Spike Helmick, helped to establish current alcohol DUI standards. We have a lot to learn from his truly unique perspective which he developed over his 35-year career as a patrol officer and as CHP Commissioner. Retired Commissioner Helmick worked closely with the California state legislature and three California governors…

The Legalization of Marijuana in Colorado: The Impact

September 7, 2016

This in depth and comprehensive report on the effects of marijuana legalization throughout the state of Colorado examines many issues.  Read the entire report or focus on the well- documented dangers of stoned driving.

About Hound Labs, Inc.

Hound Labs, Inc. is a scientific device company that developed the first technology to rapidly, accurately, and inexpensively detect and measure the levels of both marijuana and alcohol in a person’s breath. Dr. Mike Lynn, an ER physician, reserve deputy sheriff, and former venture capitalist and Mr. Kuni Oh, a patent attorney with deep technical background in engineering and science co-founded the Oakland-based company in 2014.

Learn about the Hound Foundation.