Japan’s government is planning to bolster its response to technically legal drugs amid a spate of recent cases where young people have experienced serious adverse effects from substances including a partially altered form of cannabis, health ministry officials said.
Some of the products have been confirmed to be more harmful than cannabis itself, according to the Ministry of Health, Labour and Welfare. With concerns of more cases emerging, the ministry said on Sunday it is investigating sellers and has added the substances to its list of illegal “dangerous drugs”.
The ministry also said the government plans to hold a meeting later this month to formalise a response over the drugs, often sold online and in stores labelled as “legal cannabis”.
A woman demonstrates using a CBD vape at last year’s “Cannabis Open” in Tokyo. CBD is legal in Japan if extracted from the plant’s seeds or fully-grown stems, but not other parts like the leaves. Psychoactive THC is banned. Photo: AFP
The ministry said that between March and June this year, nine people who took the products exhibited symptoms including disordered consciousness and convulsions, with eight of them requiring hospitalisation.
In July, the ministry did on-the-spot inspections of three stores in the prefectures of Kanagawa, Osaka and Tokushima and ordered they cease sales of the technically legal drugs.
Japanese law limits the presence of tetrahydrocannabinol (THC), a psychoactive compound naturally occurring in cannabis leaves and flowers. However, the harmful substance detected in the drugs was a modified form of THC, with alterations in its chemical structure that exempt it from legal controls.
The ministry is referring to the substance as a “THC analogue” and says testing, including on animals, has shown it to be equally or more dangerous than THC.
In July, the ministry added two drugs it had identified as detrimental to health to its list of designated substances in accordance with the pharmaceuticals and medical devices law. This classification categorises them as dangerous drugs, making their sale or possession illegal except for medical purposes.
Dangerous drugs were formerly known as loophole drugs, which came to be seen as a major societal issue around 2013.
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