‘The results confirm that the risk of cannabis may have been overestimated in the past,’ Professor Dirk Lachenmeier at the Chemical and Veterinary Research Office Karlsruhe wrote in Scientific Reports.

‘At least for the endpoint of mortality, the [margin of exposure] for THC/cannabis in both individual and population-based assessments would be above safety thresholds.

‘In contrast, the risk of alcohol may have been commonly underestimated.’

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