You picture the rainforest, naturally. A clearing at first light, a shaman with thousand-yard eyes, the canopy screeching overhead. What you do not picture is a fourth-floor flat on an east London estate, a woman wafting sage around your head and the slow realisation that you have just handed over £150 to be – quite

You picture the rainforest, naturally. A clearing at first light, a shaman with thousand-yard eyes, the canopy screeching overhead. What you do not picture is a fourth-floor flat…

Julie lunges forwards to grab a plastic bucket in front of her. She isn't suffering from a big night out. She has paid £150 so she can be poisoned with toxic secretions from an…