The glycaemic index is hard enough to spell, let alone understand. But don't be put off. It's a tool that can help you develop a healthier approach to eating.

According to the glycaemic index, Christmas pudding appears to have a better rating than watermelon. So is this the impossible dream made real - diet advice that turns festive food into healthy eating? If only.

We explain this complicated nutrition theory.

Highlights of this report


The GI's strengths


Controlling appetite, sorting carbohydrates, managing diabetes Read more

The GI's weaknesses


Occasions where the GI should not be followed Read more

The GI of common foods


How do potatoes, rice, pasta, bread, ice cream and chocolate compare? Read more

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