the Follow a Mediterranean diet It has consistently shown benefits for overall health.
Researchers at Tulane University School of Medicine in New Orleans recently discovered that diet is linked to improved memory through balanced bacteria in the gut.
In the study, published in the journal GUT MICROBE REPORTS, mice were fed a Mediterranean-style diet Over 14 weeks. This included foods rich in olive oil, fish and fibre.
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Compared to those who ate a Western diet high in saturated fat, mice who consumed the Mediterranean diet showed increases in four types of beneficial gut bacteria and decreases in five others.
Researchers at Tulane University School of Medicine recently discovered that the Mediterranean diet is associated with improved memory through balanced bacteria in the gut. (iStock)
The mice were then tasked with maneuvering a series of mazes that tested their memory.
Those who were on the Mediterranean diet showed improved performance in maze challenges.
“This study reinforces how the foods we choose can profoundly impact our gut microbiome, and in turn our cognitive performance.”
The researchers concluded that individuals who follow Follow a Mediterranean diet developed different gut bacterial patterns compared to those on a “typical Western diet,” and that those gut changes were linked to learning and memory.
“Our results suggest that there may be a relationship between modified microbiota in the diet, peripheral immune function and cognitive function,” the research concluded.
“Additional studies There is a need to determine causality between altered microbiota in diet, immune function and cognitive function, and to explore additional brain mechanisms. “
The study suggested that the gut microbiome developed by certain dietary choices could improve cognitive function. (iStock)
The Mediterranean diet group also showed improved cognitive flexibility and working memory – and maintained lower levels of “bad” cholesterol.
Corey Migrant, a California-based registered dietitian at Welltheory, was not involved in the study but shared her reactions.
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“As a nutritionist, I'm thrilled to see more evidence shedding light Heart health But also for brain health,” she told Fox News Digital.
“This study reinforces how the foods we choose can profoundly impact our gut microbiome, and in turn our cognitive performance.”
The Mediterranean diet group showed improved cognitive flexibility and working memory, and maintained lower levels of “bad” cholesterol. (iStock)
Mygrant noted that gut health is “foundational to overall well-being,” because it affects “everything from immunity to Mental health“
“The Mediterranean diet is a great option to support this vital system,” she continued. “Rich in delicious, vibrant foods, they can easily be woven into everyday life with simple modifications.”
“The Mediterranean diet was associated with 50% lower cognitive and dementia risks.”
In an interview with Fox News Digital, study co-author Demetrius Maraganore, MD, a professor of neurology at Tulane University, emphasized the difference in cognitive function and gut microbial compositions between Mediterranean and Western diets.
The gut bacterial diversity in the Western diet and the overgrowth of bacterial species are similar to what has been observed in it Alzheimer's patientshe told Fox News Digital.
Researchers aim to develop new therapies to prevent and treat Alzheimer's disease by harnessing nutrition and the gut microbiome. (iStock)
The expert noted that adhering to the Mediterranean diet may improve school and business performance.
“The Mediterranean diet has been associated with a 50% lower risk of cognitive decline and dementia, and promotes higher global intelligence, memory function and executive function across the lifespan,” he said.
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Tips for going to the Mediterranean
To get started adopting a more Mediterranean-style diet, MyGrant suggested the following simple steps:
- Swap butter for olive oil
- Add an extra serving of vegetables to meals
- Try plant-based proteins, such as lentils or chickpeas
- Enjoy fish several times a week
- Snack on nuts or fresh fruit instead of ultra-processed foods
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“It's about celebrating Real whole foods While keeping things flexible and fun.”
Mygrant acknowledged that access to fresh, Mediterranean produce can be a challenge for some, but noted that the diet doesn't have to be “all or nothing.”
The nutritionist recommended adding more fish and vegetables to a daily diet, as well as nuts, fresh fruits and olive oil. (iStock)
“You can start by making small, affordable swaps—such as using canned fish, frozen vegetables, and whole grains—and gradually increase the focus on more plant-based foods,” he suggested.
“The goal is to make nutritious choices more accessible, no matter your circumstances, while prioritizing connection between Food and well-being“
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In future research, the Tulane team aims to develop new therapies to prevent and treat Alzheimer's disease by harnessing nutrition and gut microbiome changes, according to Marajanor.
