Changes in Cannabis Potency Over the Last 2 Decades (1995-2014): Analysis of Current Data in the United States.

ABSTRACT:

Background

Marijuana is the most widely used illicit drug in the United States and all over the world. Reports indicate that the potency of cannabis preparation has been increasing. This report examines the concentration of cannabinoids in illicit cannabis products seized by the U.S. Drug Enforcement Administration over the last 2 decades, with particular emphasis on Δ(9)-tetrahydrocannabinol and cannabidiol.

Methods

Samples in this report were received over time from materials confiscated by the Drug Enforcement Administration and processed for analysis using a validated gas chromatography with flame ionization detector method.

Results

Between January 1, 1995, and December 31, 2014, 38,681 samples of cannabis preparations were received and analyzed. The data showed t

SUBMITTER: ElSohly MA 

PROVIDER: S-EPMC4987131 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature