A recent analysis<\/a> from the long-running Framingham heart study<\/a> examined the diets of adults aged 60 and over and assessed how these dietary patterns were associated with brain scan data collected later in the study. Those who followed the Mind diet most closely tended to have more grey matter \u2013 the tissue associated with memory and decision-making \u2013 and showed less overall loss of brain volume over time. <\/p>\n Both findings point in the same direction: that this way of eating may help keep the brain in better shape as we get older.<\/p>\n This is not the first study to suggest a link between diet and dementia risk. An earlier analysis combining 12 observational studies found an overall reduction in dementia risk of between 15 and 22%<\/a> among people who followed Mediterranean-style diets, with the Mind diet showing the strongest effect of the three patterns studied. That is a meaningful difference, even if it cannot be taken as proof that diet alone is responsible.<\/p>\n Within the Framingham study, berries and poultry stood out as particularly beneficial for grey matter. This fits with what other research has suggested. Blueberries, for instance, have been the subject of several small trials, with one recent study<\/a> finding improvements in memory even in people already showing early signs of memory problems. <\/p>\n Since red and processed meat have been linked to higher dementia risk in other studies<\/a>, replacing them with chicken may be part of why poultry appears beneficial.<\/p>\n Processed meat is linked to a higher dementia risk. Some of the findings were less straightforward. Fried food, as expected, was associated with worse outcomes. But whole grains, generally considered one of the healthier staples, produced a surprisingly weak result. <\/p>\n The reasons are unclear, though large amounts of bread and pasta \u2013 even wholegrain varieties \u2013 may raise blood sugar enough to offset some of the benefits. The evidence on whole grains and brain health remains mixed<\/a>, and this is one area where more research is needed.<\/p>\n It is also worth noting who, in the Framingham study, was most likely to follow the Mind diet. They tended to be women, non-smokers, well-educated, and less likely to be overweight or to have diabetes, high blood pressure or heart disease. All of these factors<\/a> are independently associated with better brain health, which makes it genuinely difficult to untangle how much of the benefit comes from the diet itself, and how much from the broader lifestyle it tends to accompany.<\/p>\n What the science can and can\u2019t tell us<\/p>\n This is the central challenge facing all research in this area. Most of the studies are observational, meaning they track what people eat and what happens to them over time, rather than randomly assigning people to follow a particular diet and measuring the results. <\/p>\n Observational studies can show associations, but they cannot prove cause and effect. Self-reported diet data is also unreliable at the best of times \u2013 and particularly so among people whose memory is already beginning to fail.<\/p>\n The few trials that have actually put the Mind diet to the test have produced mixed results. One small three-month study<\/a> found no improvement in memory or thinking skills, though participants did report better mood and quality of life. <\/p>\n![\"A](\"https:\/\/www.newsbeep.com\/uk\/wp-content\/uploads\/2026\/03\/file-20260324-57-l7yeko.jpg\")
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