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Don’t judge cannabis by THC/CBD content alone, say scientists

Many cannabis strains marketed as distinct are in fact chemically much the same, but there may also be non-obvious differences and their effects on humans should not be judged purely on THC and CBD content, scientists in Canada have suggested.

The researchers at the University of British Columbia concluded that although “there are several hundred or perhaps thousands of strains of cannabis currently being cultivated in legal and illegal markets”, it was nevertheless possible that “chemically identical or very closely related plant material is being sold under several different names by different producers and there is no clear definition of the concept of a ‘strain’ ”.

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