Sweet JUST a week’s bingeing on a high sugar and fat diet could damage your memory – and you may not get it back if you start eating healthy again.

New research has shown sugar alone may be the culprit in the memory deficit.

“What is so surprising about this research is the speed with which the deterioration of the cognition occurred,” says Professor Margaret Morris from the University of NSW School of Medical Sciences.

“Our preliminary data also suggests that the damage is not reversed when the rats are switched back to a healthy diet, which is very concerning,” she said.

Rats were fed a variety of diets in the research including a “cafeteria diet” of fat, cakes, biscuits and a 10 per cent sugar solution.

These rats performed worse in memory tests as did those who ate a healthy diet but who were given access to sugar water to drink.

The tests showed the rats spatial memory was affected by the high sugar diet, however their ability to recognise objects was not affected.

The tests on the rats also showed they had inflammation of the hippocampal region of the brain, which is associated with spatial memory.

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