The World Health Organization has declared that medical marijuana has no health risks.
Since mid December 2017, viral headlines have made the astonishing announcement that, in the words of the New York Post, the World Health Organization recently declared that medical marijuana has no health risks.
While most experts agree that cannabis in general carries few serious health risks for adult use compared to other Schedule I drugs, these viral reports overstate the scope of the World Health Organization’s announcement.
In a 13 December 2017 press release from the World Health Organization’s Expert Committee on Drug Dependence — which meets annually to provide recommendations for the level of legal control governments should exercise over specific drugs — the group presented a brief opinion on one specific chemical found in cannabis, cannabidiol or CBD, which does not cause the psychoactive high for which marijuana is best known:
The ECDD did an initial review of a cannabis compound called cannabidiol (CBD). Recent evidence from animal and human studies shows that its use could have some therapeutic value for seizures due to epilepsy and related conditions. Current evidence also shows that cannabidiol is not likely to be abused […]
The ECDD therefore concluded that current information does not justify scheduling of cannabidiol and postponed a fuller review of cannabidiol preparations to May 2018, when the committee will undertake a comprehensive review of cannabis and cannabis related substances.
This opinion essentially allowed the question of how to schedule CBD preparations, whose legal status in the United States remains a complicated mess to be separated from a larger question of cannabis preparations that do contain the psychoactive compound THC. On the international stage, that larger question will begin to be addressed in early June 2018 during a meeting of the Expert Committee on Drug Dependence in Geneva, Switzerland.
The June 2018 meeting is dedicated entirely “to carrying out pre-reviews of cannabis and cannabis-related substances,” including (but not limited to):
- Cannabis plant and cannabis resin
- Extracts and tinctures of cannabis
- Delta-9-tetrahydrocannabinol (THC)
- Isomers of THC
Under current United States law, any preparation made from the Controlled Substance Act’s definition of cannabis would be considered the Schedule I drug marijuana, including any CBD oil derived from it. The definition is extremely broad, and it includes:
All parts of the plant Cannabis sativa L., whether growing or not; the seeds thereof; the resin extracted from any part of such plant; and every compound, manufacture, salt, derivative, mixture, or preparation of such plant, its seeds or resin.
However, many manufacturers of CBD oil claim that they make their product with hemp, which according to the 2014 Farm Act is a legal classification for “any part of [Cannabis sativa L.], whether growing or not, with a delta-9 tetrahydrocannabinol concentration of not more than 0.3 percent on a dry weight basis,” and which can be grown in states that allow its cultivation under federal law. In addition, several states have passed laws allowing for the possession of CBD oil with minimal THC, even if that oil is derived from cannabis.
Speaking to the apparent discrepancy between the legal definition of a cannabis product and the legal definition of hemp, DEA spokesperson Russ Baer told the cannabis-focused outlet Leafly.com in March 2017 that products derived from hemp are not controlled substances:
If the products are derived from the non-intoxicating part of the marijuana plant […] then you’re talking a non-controlled substance.
The ability to produce CBD from the “non-intoxicating” parts of the plant or from “hemp” at all is a controversial topic, despite claims made by some manufacturers. These issues are likely to be among those discussed during the June WHO meeting.
In any event, the December 2017 WHO announcement declaring CBD safe has no legal bearing on its preparation and sale in the United States, and referred only to cannabidiol and not medical marijuana more broadly. Because of this, we rank this claim as mostly false.
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