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How did our volunteers get legally stoned? Why did a former undercover cop want to participate? Find out


Drugs Live

A group of volunteers including Jon Snow, Matthew Parris and Jennie Bond take part in a groundbreaking scientific trial looking at the effects on the brain of cannabis

First shown: 3 Mar 2015 May contain strong language


This ground-breaking scientific trial looks at the effects on the brain of two different forms of cannabis: skunk and hash.

Help and Support

Support for the white noise experiment (which features in the show) and all drug related issues can be found at on our 4viewers support pages