Uganda, April 5 -- Makerere University researchers have linked the commonly used recycled cooking oils and deep-fried foods like potato chips and fish in Kampala to an increased risk of cancer and heart disease.

This information is contained in a new study report by Emmanuel Okalany and his colleagues from the Makerere University School of Food Technology, Nutrition and Bioengineering. It was published in March this year in Applied Food Research, an academic journal.

The researchers said they collected samples of recycled cooking oils used to separately deep-fry potato chips (35 samples) and fish (35 samples) from street food vendors in Kampala and then analysed them.

"The majority of recycled oil from street food vendors failed to mee...