Now, a new study presented at the American Heart Association’s Scientific Sessions 2014 has found a link between trans fat and memory impairment.

Researchers looked at the eating habits of 1000 healthy men above the age of 20, and postmenopausal women to determine the effect trans fat has on memory. Participants completed a dietary questionnaire and their memories were tested using word cards. Each participant was asked to state whether the word was new or a duplicate word that had already been presented. Researchers found men under 45 had a reduced ability to be able to recall words, with those who consumed the highest amounts of trans fats remembering an estimated 11 fewer words.

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via A new study shows how eating trans fat affects your memory.