Device Detects Marijuana in Breath Hours After Smoking
Figure 1. A Simple Breath-Collection Device Can Be Used To Screen for Marijuana Use A subject breathes into a SensAbues collection device, which contains a polymeric filter pad to capture marijuana metabolites, including THC. The metabolites are extracted from the pad and detected via mass spectrometry. Picture courtesy of http://sensabues.com Breath expelled into a Breathalyzer-style collection device contained measurable amounts of marijuana’s main psychoactive ingredient, tetrahydrocannabinol (THC), for up to 2 hours after participants in a recent clinical trial smoked the drug. The finding