Unhinged: Episode 2: "The kids aren't alright"

South Africa's drug crisis is increasingly targeting children. At a rehabilitation centre in Northriding, youngsters as young as 10 are being treated for addictions to substances ranging from dagga and crystal meth to nyaope and drug-laced cough syrup. And with a waiting list almost as long as the number of beds available, social workers are warning the problem is far bigger than most South Africans realise. HOT1027's Tara Penny reports...