Browse Industry Resources Marijuana DUI THC Science Workplace Policies More Videos Industry Insights See All » Testing drivers for cannabis is hard. Here’s why By 3rd Party | January 2, 2020 Times, They Are A-Changin By 3rd Party | September 24, 2020 In a Rare Alignment, Red and Blue States Turn Green By 3rd Party | December 31, 2020 Driving Under the Influence of Marijuana and Illicit Drugs Among Persons Aged ≥16 Years By CDC | December 20, 2019 The Legalization of Marijuana in Colorado: The Impact By RMHIDTA | September 1, 2018 Drug-Impaired Driving: Marijuana and Opioids Raise Critical Issues for States By GHSA | June 4, 2018 Ask Dr. Lynn Video Series See All » How Does a Marijuana Breath Test Help Employers? » 1:04 Why Test Breath? » 1:22 Laws on the Books » 0:35 Company Insights See All » How Long Can Marijuana be Detected in Drug Tests? By Hound Labs | Sep 6, 2018 Lynn: It’s time to have ‘the talk’ with kids (about pot) By Hound Labs | Jan 24, 2017 Join the WAIT LIST for the Hound® Marijuana Breathalyzer Sign Up Now