Eating fish is good for the brain and can slow age related mental decline by 3 to 4 years. That's according to an article published in the Archives of Neurology.
Researchers studied 3,700 Chicago residents who were 65 and older. The Windy City residents took some simple tests of mental acuity three times in 6 years. The also filled out a questionnaire about the food they ate.
Folks who ate one fish meal a week had a 10% slower annual decline in thinking. Folks who ate 2 fish meals a week had a 13% slower decline.
Researchers didn't measure the subjects' blood levels for healthy omega-3 fatty acids, the kind you get from fish so they couldn't prove why fish helped.
While pregnant and nursing women and kids should limit fish with high mercury levels, this study and a number of other show that fish is good for the heart and brain.
