The MIND diet is an eating pattern specifically designed to protect brain health and lower the risk of Alzheimer’s disease. Short for Mediterranean-DASH Intervention for Neurodegenerative Delay, it combines elements of two well-studied diets (the Mediterranean diet and the DASH diet) but zeroes in on the foods with the strongest evidence for protecting cognitive function. U.S. News & World Report ranked it the No. 1 diet for brain health and cognition in 2025.
How the MIND Diet Works
The diet was developed by researchers at Rush University Medical Center who studied the links between specific nutrients and brain aging. Rather than broadly promoting “healthy eating,” it identifies 15 food groups: 10 to eat regularly and 5 to limit. The core idea is that certain foods reduce inflammation and oxidative stress in the brain, two processes that damage neurons and contribute to cognitive decline over time.
These protective foods share a few things in common. They’re rich in compounds that neutralize harmful molecules called free radicals, support the growth and repair of brain cells, and help maintain healthy blood flow to the brain. The diet also discourages foods that do the opposite, those high in saturated fat and refined sugar that promote inflammation and have been linked to faster brain aging.
The 10 Foods to Eat
The MIND diet lays out specific weekly and daily targets rather than vague advice to “eat more vegetables.” Here’s what it recommends:
- Green leafy vegetables: 6 or more servings per week (spinach, kale, romaine lettuce, collard greens)
- Other vegetables: at least 1 serving per day in addition to leafy greens
- Whole grains: 3 or more servings per day
- Nuts: 5 or more servings per week, often as a snack
- Berries: 2 or more servings per week (blueberries and strawberries in particular)
- Beans: every other day
- Fish: at least 1 meal per week
- Poultry: at least 2 meals per week
- Olive oil: as the primary cooking oil
- Wine: up to 1 glass per day (optional)
The emphasis on leafy greens and berries is one of the diet’s most distinctive features. These two food groups showed the strongest independent associations with slower cognitive decline in the original research, which is why they get their own categories rather than being lumped in with all fruits and vegetables.
The 5 Foods to Limit
The MIND diet asks you to minimize five food groups that are high in saturated fat, trans fat, or added sugar:
- Red meat: fewer than 4 servings per week
- Butter and stick margarine: less than 1 tablespoon per day
- Cheese: less than 1 serving per week
- Pastries and sweets: fewer than 5 servings per week
- Fried or fast food: less than 1 serving per week
You don’t have to eliminate these foods entirely. The diet is designed to be practical, and moderate adherence still appears to offer some benefit. That flexibility is part of what makes it more sustainable than stricter eating plans.
How It Differs From Mediterranean and DASH Diets
The MIND diet borrows from both the Mediterranean and DASH diets but makes several brain-specific adjustments. The Mediterranean diet recommends at least three servings of fish per week and encourages fruit broadly. The MIND diet drops the fish requirement to just one serving per week and singles out berries as the most important fruit, rather than promoting all fruit equally. It also de-emphasizes dairy, which both the Mediterranean and DASH diets include more freely.
The DASH diet was originally created to lower blood pressure, with a heavy focus on reducing sodium and increasing potassium-rich foods like bananas and potatoes. The MIND diet doesn’t set sodium limits and instead prioritizes the specific nutrients linked to neuroprotection, like the folate in leafy greens and the flavonoids in berries. Think of it as a more targeted version of both diets, trimmed down to the components that matter most for the brain.
What the Research Shows
The original observational studies on the MIND diet generated a lot of excitement. Researchers found that people who followed the diet closely had significantly lower rates of Alzheimer’s disease, and even those who followed it only moderately appeared to benefit. Separate research using brain imaging found that both the MIND and Mediterranean diets were linked to fewer physical signs of Alzheimer’s pathology in the brain, including lower levels of the amyloid plaques and tau tangles that characterize the disease.
A large clinical trial published in The New England Journal of Medicine in 2023 offered a more nuanced picture. The study enrolled 604 overweight adults with a family history of Alzheimer’s and randomly assigned them to either the MIND diet or a standard calorie-reduced diet. Both groups cut about 250 calories per day. After three years, both groups showed improvement in cognitive test scores, but there was no statistically significant difference between them. Both groups also lost about 11 pounds on average, leading researchers to suggest that the weight loss itself may have been what benefited cognition in both groups.
The trial did show a slight cognitive edge for the MIND diet group during the first two years, though the difference wasn’t large enough to be conclusive. Researchers noted that practice effects on cognitive tests (people simply getting better at the tests through repetition) may have played a role in the improvements seen in both groups. The takeaway isn’t that the diet doesn’t work, but that isolating its effects in a controlled trial proved difficult, especially when the comparison group was also eating better and losing weight.
Why Specific Foods Protect the Brain
The biological logic behind the MIND diet centers on a few key mechanisms. Chronic, low-grade inflammation in the brain accelerates the death of neurons and is a hallmark of Alzheimer’s disease. The foods emphasized in the diet, particularly leafy greens, berries, nuts, and olive oil, are dense in compounds that dampen this inflammatory response and reduce oxidative stress, the cellular damage caused by unstable molecules that accumulate with age.
These foods also support the production of a protein called brain-derived neurotrophic factor (BDNF), which helps existing neurons survive and encourages the growth of new connections between them. Low BDNF levels have been linked to depression, memory problems, and accelerated cognitive decline. Meanwhile, the saturated fats found in the foods the diet limits (butter, cheese, red meat, fried food) have been shown to increase inflammation, reduce blood-brain barrier integrity, and disrupt the gut microbiome in ways that negatively affect brain function.
There’s also evidence that diets rich in healthy fats can improve how the brain produces energy at the cellular level, increasing the number and efficiency of mitochondria (the energy generators inside every cell) and reducing the buildup of damaging byproducts. This is particularly relevant in aging brains, where energy production becomes less efficient and neurons become more vulnerable to damage.
How to Get Started
One of the MIND diet’s strengths is that you don’t need to overhaul your entire kitchen overnight. Start by adding a daily salad with leafy greens, swapping your cooking oil to olive oil, and keeping nuts on hand for snacking. These three changes alone cover several of the diet’s daily and weekly targets.
From there, work on building berries into your routine twice a week (frozen blueberries and strawberries count and are often cheaper than fresh), adding a bean-based meal every other day, and choosing poultry or fish over red meat a few times per week. On the reduction side, the easiest wins are cutting back on fried food and fast food to once a week or less, and replacing butter with olive oil when cooking.
The diet doesn’t require calorie counting, portion weighing, or buying specialty products. It’s built around widely available foods and is flexible enough that moderate adherence still counts. For people looking for a sustainable, evidence-informed way to eat for long-term brain health, it remains one of the most practical options available.