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Epidemiology: Every bite you take


If a camera snaps everything you eat, you can't lie about it later. That's why scientists are building high-tech gadgets to measure the human 'exposome'.

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Brendan Borrell is a freelance writer based in New York.

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Borrell, B. Epidemiology: Every bite you take. Nature 470, 320–322 (2011).

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