Kush is rumoured to contain everything from chemicals used to preserve dead bodies to shoe polish. Nobody really know what’s in it or where it’s coming from. But we do know that it’s having a big impact on young people in Sierra Leone, who are already struggling with high unemployment and a difficult economy.

We speak to the BBC’s West Africa Correspondent, Mayeni Jones, to establish what we know about the drug. We also hear from charity head, Sidikie Kamara, who’s seen its devastating effects first hand.

Email: whatintheworld@bbc.co.uk WhatsApp: +44 0330 12 33 22 6 Presenter: Hannah Gelbart Producers: Alex Rhodes Editors: Verity Wilde and Simon Peeks