Michael J. Kosnett
About
Dr. Michael J. Kosnett is a physician specializing in medical toxicology and emergency medicine, with a particular research focus on cannabis pharmacology and impairment. He is based in Denver, Colorado, and affiliated with the University of Colorado Denver's Department of Environmental and Occupational Health at the Colorado School of Public Health, where he holds a faculty position.
His peer-reviewed work, spanning 38 publications, addresses cannabis-related topics including THC pharmacokinetics, driving impairment, and the validity of physiological markers such as pupillary response and eyelid tremor as indicators of recent cannabis use. His research has appeared in journals including the Journal of Cannabis Research, Clinical Toxicology, Traffic Injury Prevention, and the Journal of Analytical Toxicology. He has also contributed to American College of Medical Toxicology position statements.
In the forensic context, Dr. Kosnett has been retained as a defense expert in federal litigation involving toxicological questions. His work on cannabis impairment, biomarkers of recent use, and dose estimation is directly relevant to civil and criminal matters where THC exposure or driving fitness is at issue. He holds an MD and a Master of Public Health (MPH), and is licensed in Colorado.
Credentials
Publications
- Enhancing Methods for Research on Cannabis: A Workshop Report.
- Pupillary dynamics as a marker of acute cannabis inhalation.
- Impact of naturalistic cannabis use on lateral control and speed: A driving simulator study.
- The American College of Medical Toxicology Position Statements.
- Comparison of Δ9-tetrahydrocannabinol in venous and capillary blood following ad libitum cannabis smoking by occasional and daily users.
- Dose Estimation Utility in a Population Pharmacokinetic Analysis of Inhaled Δ9-Tetrahydrocannabinol Cannabis Market Products in Occasional and Daily Users.
- A Study of Pupil Response to Light as a Digital Biomarker of Recent Cannabis Use.
- Accuracy and replicability of identifying eyelid tremor as an indicator of recent cannabis smoking.
- Effects of acute cannabis inhalation on reaction time, decision-making, and memory using a tablet-based application.
- A Latent Variable Analysis of Psychomotor and Neurocognitive Performance After Acute Cannabis Smoking.
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