Recycled cooking oils: assessment of risks for public health South African regulations relating to edible fats and oils Food for Thought: Public health implications of abused cooking oil: What is the evidence? Is the consumption of oxidized fats contributing to HIV-AIDS progression in South Africa? Super-oxidized soups and the health risks to poor South Africans IOL: HIV+ people at risk from 'abused' cooking oil Health 24: What is in food? - Fats Sunday Times: "... used cooking oil is being sold on Joburg’s streets for as little as R6 a litre"