According to a new study, Cheddar, Brie, and Gouda may lower dementia risk. Cheese lovers, rejoice! A new long-term study published in the medical journal Neurology suggests that regularly eating certain types of cheese — especially high-fat varieties like Brie, Gouda, and Cheddar — may be linked to a lower risk of developing dementia later in life.
While this finding doesn’t prove that cheese prevents dementia, it does challenge long-standing ideas about dietary fat and brain health.
A Quick Overview of the Study
Nearly 27,700 adults were followed by researchers from Lund University in Sweden for an average of 25 years, and their dietary habits and health outcomes were tracked over decades. Participants ranged in age, with an average starting age of about 58 years.
More than 3,200 people developed dementia during the follow-up period, a condition that affects memory, thinking, and day-to-day functioning, particularly in older adults.
American Academy of Neurology
Key Findings from the Research
What the researchers found was intriguing: people who ate more high-fat cheese each day had a significantly lower risk of dementia compared with those who ate little or none.
Specifically:
Eating at least 50 grams of high-fat cheese daily — roughly equivalent to two slices of cheddar or half a cup of shredded cheese — was associated with a 13% lower risk of developing dementia overall.
American Academy of NeurologyWhen it came to vascular dementia, a form of dementia that is brought on by reduced blood flow to the brain, the protective association was even stronger, with a risk that was about 29% lower among people who ate more cheese.
American Academy of Neurology
It’s not just cheese: the study also found that people who consumed at least 20 grams of high-fat cream each day (about 1.4 tablespoons) had a 16% lower risk of dementia compared with those who didn’t consume any cream.
American Academy of Neurology
However, these findings only show an association — not direct proof that eating cheese causes a reduced risk of dementia. More research is needed to understand the mechanisms at play.
American Academy of Neurology
What Counts as ‘High-Fat Cheese’?
In this study, “high-fat cheese” refers to cheeses with more than 20% fat, which includes well-known varieties like:
Brie
Gouda
Cheddar
Parmesan
Gruyère
Mozzarella
These cheeses are typically labeled in stores as “full-fat” or “regular,” in contrast to low-fat or reduced-fat alternatives.
American Academy of Neurology
Interestingly, the study did not find any significant association between dementia risk and consuming:
Low-fat cheese
Milk (high-fat or low-fat)
Butter
Products made with fermented milk, like yogurt and kefir
American Academy of Neurology
This suggests that certain fatty components of full-fat cheese and cream might be linked with brain health — but exactly how this works remains unclear.
Why Might Cheese Be Associated with a Lower Risk of Dementia?
Scientists aren’t yet certain why more frequent consumption of high-fat cheeses and creams appears linked to a lower dementia risk, but several plausible ideas are being explored.
1. Cheese’s Nutrients May Aid Brain Health
Cheese contains nutrients like vitamin K₂, fat-soluble vitamins, and certain bioactive compounds that play roles in maintaining blood vessel health and supporting cell membranes — all of which could influence brain aging and cognitive function. Some fats in cheese may be metabolized in ways that support brain structure or reduce inflammation.
The Free Press
2. Fermentation Might Be Important
Many cheeses are fermented. This process alters the makeup of proteins and fats, producing compounds that might benefit gut health and, by extension, brain health through the gut-brain axis — a growing area of scientific interest.
The Free Press
3. Dietary Patterns and Substitutions
It’s also possible that cheese eaters simply have overall healthier diets or lifestyle patterns that contribute to better cognitive outcomes. For example, replacing processed or high-fat meats with cheese in moderation may improve diet quality.
Today’s Medical Reports
Important Caveats: What the Study Doesn’t Prove
Although the finding is exciting, experts emphasize caution:
Association vs. Causation: The study did not prove that cheese prevents dementia — only that people who ate more high-fat cheese tended to have lower dementia risk. Other factors like lifestyle, education, physical activity, and overall diet quality may play roles too.
American Academy of NeurologyPopulation Differences: This research followed Swedish adults, whose dietary habits and cheese consumption patterns may differ from other parts of the world.
American Academy of NeurologyFat and Health: Full-fat cheese and cream remain high in saturated fat and calories. If it is not balanced with a healthy diet as a whole, eating too much can cause problems with the cardiovascular system.
www.ndtv.com
Experts also note that managing key dementia risk factors — such as high blood pressure, diabetes, and physical inactivity — remains critically important and is supported by strong evidence.
People.com
What Does This Mean for You? Practical Takeaways
If you enjoy cheese, this study adds an intriguing piece to the puzzle of how diet and brain health may be connected. Here are some balanced ways to think about the findings:
🧀 Enjoy Cheese in Moderation
Including full-fat cheeses like Brie, Gouda, or Cheddar as part of a varied diet may be enjoyable and, according to this study, potentially linked with cognitive health. The majority of people probably don't need more than a few slices or a serving with meals.
Focus on Science
Consider the Quality of Your Overall Diet
Brain health nutrition doesn’t hinge on a single food. Diets rich in fruits, vegetables, whole grains, lean proteins, and healthy fats — such as those seen in Mediterranean-style diets — have strong support for cognitive function.
Reddit
Don’t Forget Lifestyle Factors
Regular physical activity, good sleep, stress management, and cardiovascular health are all proven contributors to brain health and dementia prevention. People.com
Final Thoughts
The idea that beloved cheeses like Brie, Gouda, and Cheddar may be more than just tasty — potentially even beneficial for long-term brain health — is fascinating and invites further scientific exploration. The new study does not prove that eating cheese prevents dementia, but it does provide a foundation for further research into how consuming fermented dairy products and dietary fats might fit into a holistic approach to aging and cognitive health.
As always, talk to your healthcare provider before making significant changes to your diet, especially if you have existing health conditions.
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