A controversial additive added to bacon, sausages and fizzy drinks can make you lazy, according to research.
Tests have also uncovered evidence that phosphate, heavily consumed in the Western diet, can impair metabolism.
Scientists warn the results add to a 'growing chorus' of voices calling for levels of phosphate should be curbed in the food industry.
Estimates suggests a quarter of adults consume at least three times more of the food additive than is recommended.
Phosphates are added to an array of foods to prolong their shelf life and add flavour.