A 2017 review of research has concluded that, although the number of studies into the cognitive effects of the cocoa bean is limited and has produced mixed results, on balance the evidence points to positive cognitive effects from regular intake of “cocoa flavanols”, as well as immediate benefit
Lifestyle Effects on Memory & Cognition
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Data from the long-running Rush Memory and Aging Project, involving 960 participants who completed a food frequency questionnaire from 2004 to 2013, found that those who ate one daily serving of green, leafy vegetables had a slower rate of cognitive decline than people who rarely or never ate th |
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A large, long-running Finnish study looking at the dietary habits of 2,497 men aged 42-60 has found that a high intake of dietary cholesterol was not associated with the risk of dementia or Alzheimer's disease, even among carriers of the ‘Alzheimer’s gene’ APOE4. |
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A study involving 99 healthy older adults found that levels of monounsaturated fatty acids were associated with cognitive performance and the organization of the brain's attention network. |
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Data from 915 older adults (mean age 81.4) participating in the very long-running Rush Memory and Aging Project, has found that those who reported eating seafood less than once a week showed greater cognitive decline compared to those who ate at least one seafood meal per week. |
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A largish Chinese study, involving 541 9-11-year-olds, has found that those who ate fish at least once a week slept better and had higher IQ scores, on average, than those who ate fish less frequently or not at all. |
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Data from the Canadian Longitudinal Study on Aging, involving 8,574 middle-aged and older adults (aged 45-85), has found that those who ate more vegetables and fruits and more nuts and pulses (such as lentils and beans) scored higher on tests of verbal fluency. |
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A study looking at how 51 women performed on a test of their attention after they ate either a meal high in saturated fat or the same meal made with sunflower oil (high in unsaturated fat), found their performance was worse after eating the high-saturated-fat meal than after they ate the meal co |
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Analysis of data from the Age-Related Eye Disease Study (AREDS) and AREDS2, involving a total of around 8,000 older adults, has found that those with the greatest adherence to the Mediterranean diet had the lowest risk of cognitive impairment. |
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A study involving 110 lean and healthy students (aged 20-23) found that those randomly assigned to a high energy western-style diet for a week performed worse on a memory test compared to those who ate their normal healthy diet. |