Legal CBD can cause positive drug tests, study says

Legal CBD can cause positive drug tests, study says

  • November 2019
  • Posted By Kathryn Mccormick

A recent John Hopkins study has concluded that consuming legal CBD can make you test positive for drugs.

Researcher, Tory Spindle, Ph.D., noted that hemp-derived CBD products may legally contain up to 0.3% of THC.

As part of the research, two out of six participants tested positive for cannabis after inhaling CBD-dominant cannabis vapour.

Also, the cannabis used in the study was similar to that found in legal CBD/hemp products.

Traditional drug tests cannot distinguish whether an individual has consumed such legal products.

After therapeutic use, the chemicals can accumulate in the body, increasing the chances of testing positive for cannabis.

This is important to keep in mind for those using legal CBD daily.

During the study, candidates were given urine-based drug tests to check for traces of cannabis.

The good news is that using pure CBD did not lead to a positive result, only CBD-dominant cannabis vapour.

Another important aspect of the study draws attention to some CBD products advertised as ‘THC-free’ despite them containing a higher level than the cannabis used in the John Hopkins study.

For instance, more than 20% of CBD/hemp products one can buy on the internet contain THC, despite labels failing to disclose it.

Since many people are unaware of potential THC exposure, this can be a problem if they are tested for drugs.


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