Our exclusive investigation's found a substance sold as a 'legal high' in the North East actually contained a Class B drug. It was bought in a shop in Newcastle and tested by a chemist who found it contained methylone. That's banned and has similar effects to the likes of ecstasy and amphetamines. Michelle Carlin's a Senior Lecturer in Forensic Chemistry at the Faculty of Health & Life Sciences at Northumbria University, and talks us through her shocking findings.
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