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Free radicals

19 Jul, 2007

Free radicals – are they good or bad for you?

Listen to audio: Free radicals

Duration: 11'55"

Tony Kettle is part of the Free Radical Research Group at The University of Otago in Christchurch’s School of Medicine. He is investigating how white blood cells use free radicals to fight infection by creating a form of chlorine bleach inside our bodies. Amongst other things, this research explains why snot is green.

Programme details: Our Changing World

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