As Gi (the glycaemic index) becomes the latest diet phenomenon, Sheila Dillon investigates the science behind it and the impact it could have on attitudes to food. Extended repeat from yesterday at 12.30pm
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As Gi (the glycaemic index) becomes the latest diet phenomenon, Sheila Dillon investigates the science behind it and the impact it could have on attitudes to food. Extended repeat from yesterday at 12.30pm
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