Read Paper Clinical trial confirms THC in breath Peer-reviewed results published in Clinical Chemistry for determining recent use Marijuana breathalyzers provide the best results Why Breath is Best Nearly 90% of police departments are concerned with expanding marijuana legalization and its impact on impaired driving and public safety. Source: 2018 Hound Labs Survey Law Enforcement Solutions 82% of employers are concerned about marijuana legalization Workplace Solutions Workplace Survey Latest Coverage Read More Read More Read More Read More Read More Read More Read More Read More Read More Recent News Clinical trial confirms THC in breath during window of peak impairment » Recent Conference National Workplace Strategy Seminar » Recent News Drug Tests Show Marijuana Use at 14-Year High Among Workers » FACT #1 1 in 3 teens and more than 1 in 4 parents believe it is legal to smoke marijuana and drive. READ MORE AT THE HOUND FOUNDATION FACT #2 Typical marijuana smokers experience a high that lasts approximately 2 hours. FACT #3 Frequent users in Colorado drove an average of 17 times per month within 2 hours of using marijuana. FACT #4 More college students drive stoned than drunk.