•Dietary intake and cognitive function were
assessed in 3,718
community-dwelling participants age 65 years and older living in Chicago over 6 years
•Those with a high dietary intake of saturated
or trans fats and
a high copper intake had a greater rate of cognitive decline
•Comparing the highest quintile 2.75 mg/day vs lowest quintile 0.88 mg/day the difference in decline was -6.14
units/yr or the
equivalent of more than 19 yrs of age
•There was a strong dose-response association
with higher
dose copper in supplements.
•There was no association in those whose diets
were not high in
these fats.