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Published online 3 February 2004 | Nature | doi:10.1038/news040202-1
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Probiotic bacteria health boon
Gut-friendly bugs don't have to be alive to boost immune system.
Television advertisements are filled with advice about the benefit of foods containing 'friendly' bacteria, such as probiotic yoghurt. But a US-led research team now says that you don't need live bacteria to boost your digestive system — just their DNA.
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