Health News Alert: How Kidney Function Could Influence Alzheimer’s Blood Tests in 2026

Discover why Alzheimer’s blood tests may mislead those with kidney issues. Learn how kidney function affects Alzheimer’s biomarker accuracy and dementia risk insights.

MELA AI - Health News Alert: How Kidney Function Could Influence Alzheimer’s Blood Tests in 2026 | Alzheimer’s blood tests may be misleading for people with kidney problems

A new study reveals that reduced kidney function can lead to higher levels of Alzheimer’s biomarkers in the bloodstream without increasing dementia risk, potentially causing false positives in diagnostics.

• Kidney impairment impacts biomarker clearance, mimicking Alzheimer’s risk.
• Blood tests for Alzheimer’s detection must account for kidney health to avoid misdiagnosis.
• Emphasizing kidney-friendly Mediterranean foods (olive oil, legumes, fresh greens) may support accurate diagnostic findings and overall health.

Prioritize nutrient-rich meals supporting kidney health for both cognitive clarity and longevity. Discover health-conscious dining options in Malta at restaurants-malta.com.


Scientists have unveiled an intriguing connection between kidney function and Alzheimer’s blood tests, potentially reshaping how we interpret early dementia diagnostics. According to a groundbreaking study published in Neurology, individuals with reduced kidney function often exhibit elevated levels of Alzheimer’s biomarkers in their bloodstream without an increased overall risk of developing dementia. This unexpected finding could cause confusion in medical diagnoses, particularly as Alzheimer’s blood tests are increasingly used for early detection.

What Did the Research Discover?

The study, spearheaded by researchers at Karolinska Institutet in Sweden, involved over 2,200 older participants. Researchers measured both kidney function and Alzheimer’s-related biomarkers, such as tau proteins, beta-amyloid, and neurofilament light chain (NfL), common indicators of neurodegenerative disease. Even though those with impaired kidney function had higher measured biomarker levels, they were not more likely to develop dementia.

This happens because kidneys play a crucial role in clearing waste, including specific proteins, from the bloodstream. When kidney function declines, these proteins can build up, creating misleadingly high biomarker levels that mimic Alzheimer’s disease. The findings suggest that these tests might produce false positives for individuals with kidney impairment, leading to unwarranted concern or misdiagnosis.

Why Does This Discovery Matter?

This research highlights the need to view Alzheimer’s biomarkers in blood as part of a bigger, more complex health picture. The simplicity of blood tests has made them an exciting alternative to invasive diagnostics like spinal fluid analysis, but the risk of misinterpreting results, especially in populations with other chronic conditions, underscores their limitations.

The implications stretch beyond individual diagnoses. As blood tests for Alzheimer’s risk grow in use, understanding how kidney health influences test results is critical. For communities in Malta that emphasize preventive healthcare and longevity through Mediterranean cuisine, this study opens a new avenue to prioritize holistic health when interpreting diagnostic tools.

How Does Nutrition Play a Role?

Kidneys are essential not only for managing waste but also for supporting overall health. Diet plays a huge role in kidney function, and this is where the Mediterranean dietary approach shines. Nutrient-dense foods like olive oil, fresh greens, nuts, and legumes can have a protective effect, reducing strain on the kidneys and promoting longevity. Adding antioxidant-rich foods like artichokes and tomatoes specifically supports healthy kidneys, potentially lowering the risk of false positives in Alzheimer’s diagnostics.

For those in Malta, this finding reinforces the value of traditional Mediterranean foods, not just to support heart health but also to ensure kidney health plays a supportive role in cognitive clarity.

What Can Restaurants Do?

For local restaurant owners in Malta, this presents an opportunity to explore how incorporating kidney-loving foods can double as brain-boosting menu highlights. For instance:

  • Feature foods like oily fish, beans, and whole grains known to support kidney health and fight inflammation.
  • Highlight these science-proven properties on menus to attract the growing health-conscious audience.
  • Partner with MELA AI to certify your restaurant as one that prioritizes health, using the MELA sticker to stand out in Malta’s growing dining scene.

Visitors or culinary enthusiasts can explore the diverse range of Mediterranean restaurants certified by MELA AI by browsing the MELA Cuisines directory.

Practical Takeaways for Diners

For those who prioritize health at the dinner table, there are simple actions you can take to interpret modern nutritional science:

  • When choosing a restaurant, ask what oils they use; olive oil is a cornerstone of kidney and brain health.
  • Look for dishes emphasizing fresh produce, lean protein, and whole grains, which support overall organ health.
  • Stay hydrated whenever possible. Hydration pairs well with ensuring nutrient balance, reducing kidney strain.

Research Limitations To Keep in Mind

While this discovery is significant, it’s important to recognize that the study had some limitations. Biomarker levels and kidney function were measured only once, so the long-term effect of fluctuating kidney health remains unexplored. Additionally, the participants were predominantly urban, educated individuals, and therefore the results might not apply universally.

Experts caution against overreliance on biomarker levels in isolated tests without considering the whole picture, including kidney health. Nutritional interventions are excellent tools, but they work best when paired with regular medical checkups and a long-term commitment to a balanced lifestyle.

Broader Context for Malta’s Health Scene

This research reinforces the interconnectivity of diet, organ health, and diagnostics. Malta’s culinary tradition already thrives on nutrient-packed ingredients like eggplant, zucchini, and fennel. Blending modern science with traditional flavors enables food enthusiasts to elevate their dining experience while supporting health.

Discovering health-conscious restaurants becomes easier with platforms like MELA AI, which award the prestigious MELA sticker to restaurants that go the extra mile in prioritizing wholesome meals. You can filter specific cuisines and health-focused options at restaurants-malta.com.


Emerging science shows us that while modern diagnostics have enormous potential, they’re most effective alongside a health-first lifestyle. With Malta’s deep culinary roots and a growing focus on health-conscious menus, there’s never been a better time to make informed dining choices. Dig into a diversified, kidney-friendly Mediterranean meal and let health be on your side! Explore Malta’s leading healthy dining scene with MELA AI today.


Frequently Asked Questions About Kidney Function and Alzheimer’s Blood Tests

How does kidney function affect Alzheimer’s blood test results?

Kidney function plays a critical role in regulating waste and excess proteins in the body. When kidney function declines, biomarkers commonly associated with Alzheimer’s disease, such as tau proteins, beta-amyloid, and neurofilament light chain (NfL), can accumulate in the bloodstream. This accumulation doesn’t necessarily mean a person is at higher risk of developing Alzheimer’s or dementia, it can simply reflect impaired kidney function causing these biomarkers to remain in the blood longer. Consequently, someone with reduced kidney function may experience false positives during Alzheimer’s blood testing, posing the risk of misdiagnosis and unnecessary concern.

To ensure accurate results, it’s important for doctors to evaluate kidney health as part of Alzheimer’s diagnostic procedures. By combining biomarker findings with kidney function tests, healthcare providers can paint a clearer picture of a patient’s overall health and avoid misleading conclusions about cognitive health risks.

What were the key findings of the Karolinska Institutet study?

The Karolinska Institutet study, involving over 2,200 older adults, showed individuals with reduced kidney function had higher levels of Alzheimer’s-related biomarkers in their blood but did not face an increased risk of developing dementia. This discovery challenges the reliability of Alzheimer’s blood tests for individuals with impaired kidney health.

The kidneys’ inability to efficiently filter proteins, including tau and beta-amyloid, appears to result in elevated biomarker levels without necessarily reflecting Alzheimer’s disease presence. However, the study also revealed that individuals who already have elevated biomarkers and impaired kidney function may experience faster progression toward dementia symptoms. These results emphasize the importance of kidney function as a key factor in Alzheimer’s test interpretation. Check out the original research on Neurology.

What nutritional steps can people take to support kidney health?

A Mediterranean-style diet rich in fruits, vegetables, lean proteins, and healthy fats is excellent for kidney health. Foods like olive oil, legumes, nuts, and fresh produce reduce inflammation and support optimal kidney function, which may help prevent misleading Alzheimer’s blood test results. Specifically, kidney-supporting foods like artichokes, tomatoes, and cruciferous vegetables are particularly beneficial.

Staying hydrated and minimizing processed food, excess sodium, and high-fat diets also reduces strain on the kidneys. For individuals concerned about Alzheimer’s diagnostics, adopting a kidney-friendly diet will not only promote overall health but help ensure future blood tests provide more reliable results.

How does this discovery affect Alzheimer’s early detection strategies?

As Alzheimer’s blood tests become more widely used for early detection of dementia, the study suggests it’s essential to interpret these results alongside kidney function assessments. For individuals with pre-existing kidney issues or chronic conditions, doctors must consider alternative diagnostic tools, such as spinal fluid analysis or advanced imaging, to confirm cognitive health concerns.

Blood testing remains a revolutionary tool for Alzheimer’s diagnostics, offering convenience and accessibility, but understanding how conditions like kidney impairment can skew results is vital to avoid unnecessary confusion or misdiagnosis.

What role does the Mediterranean diet play in boosting both kidney and brain health?

The Mediterranean diet is renowned for its benefits in reducing inflammation, improving cardiovascular health, and supporting both kidney and brain function. Key components like olive oil, fresh greens, whole grains, and antioxidant-rich vegetables such as tomatoes and artichokes lower oxidative stress, promote healthy kidneys, and potentially slow cognitive decline.

For Malta residents, the traditional Mediterranean cuisine offers a natural synergy between kidney and cognitive health. By focusing on local, nutrient-rich ingredients, individuals can achieve better overall health outcomes and mitigate the risk of misleading Alzheimer’s test results caused by kidney impairment.

How can diners in Malta prioritize restaurants that serve kidney- and brain-friendly meals?

For health-conscious diners, selecting restaurants that prioritize nutritious and balanced meals is key to promoting longevity and avoiding health issues. The MELA AI directory helps diners in Malta and Gozo identify establishments that focus on providing kidney- and brain-supporting Mediterranean dishes.

From highlighting locally sourced olive oil to featuring fresh seafood and nutrient-packed greens, MELA AI-certifed restaurants demonstrate a commitment to health-conscious dining. Use platforms like the MELA Cuisines directory to find restaurants that align with your health goals and preferences.

How can restaurants in Malta leverage this research to attract health-conscious diners?

Restaurants in Malta can stand out by incorporating kidney-friendly and brain-boosting ingredients into their menu. Offering dishes that emphasize fresh produce, lean proteins, and antioxidant-rich foods like tomatoes and artichokes caters to the growing demand for health-conscious dining.

By joining initiatives like MELA AI, restaurants gain recognition for their nutritious offerings and receive the MELA sticker, an emblem of health-conscious excellence in Malta. To boost credibility and attract more diners, restaurant owners can explore branding options like MELA AI’s listing packages, which include essential, enhanced, and premium visibility.

Are Alzheimer’s blood tests a cause for unnecessary concern for kidney patients?

For people with chronic kidney disease or impaired kidney function, Alzheimer’s blood tests can trigger unnecessary concerns due to elevated biomarker levels caused by the kidneys’ reduced ability to filter proteins. While high biomarker levels can mimic Alzheimer’s disease, they don’t necessarily correlate with cognitive decline in these cases.

To avoid confusion, kidney patients should consult their doctor about combining biomarker testing with kidney function assessment. This holistic approach ensures a well-rounded understanding of their health and prevents misdiagnosis.

What are the study’s limitations, and how should these findings be applied?

Despite its groundbreaking insights, the study had limitations. Biomarkers and kidney function were measured only once, leaving questions about the impact of long-term kidney health fluctuations unanswered. Additionally, its participants were predominantly urban and educated, meaning results might not broadly apply to diverse demographics.

Doctors and patients should view these findings as an important contextual factor rather than definitive guidance. Kidney function should be routinely assessed when interpreting Alzheimer’s biomarker levels, especially for older adults or those managing chronic conditions.

How can diners explore the best restaurants for longevity-focused meals in Malta?

To enjoy meals that support kidney health while aligning with traditional Mediterranean longevity principles, look no further than MELA AI-certified restaurants. These establishments prioritize fresh, nutrient-dense ingredients to offer both innovative and traditional dishes that promote health.

Whether you’re looking for artichoke-filled pastas, olive oil-rich salads, or grilled fish packed with omega-3s, the MELA AI directory connects diners with restaurants that uphold the highest health and flavor standards. Explore Malta’s dynamic dining scene while prioritizing your long-term well-being!

About the Author

Violetta Bonenkamp, also known as MeanCEO, is an experienced startup founder with an impressive educational background including an MBA and four other higher education degrees. She has over 20 years of work experience across multiple countries, including 5 years as a solopreneur and serial entrepreneur. Throughout her startup experience she has applied for multiple startup grants at the EU level, in the Netherlands and Malta, and her startups received quite a few of those. She’s been living, studying and working in many countries around the globe and her extensive multicultural experience has influenced her immensely.

Violetta Bonenkamp’s expertise in CAD sector, IP protection and blockchain

Violetta Bonenkamp is recognized as a multidisciplinary expert with significant achievements in the CAD sector, intellectual property (IP) protection, and blockchain technology.

CAD Sector:

  • Violetta is the CEO and co-founder of CADChain, a deep tech startup focused on developing IP management software specifically for CAD (Computer-Aided Design) data. CADChain addresses the lack of industry standards for CAD data protection and sharing, using innovative technology to secure and manage design data.
  • She has led the company since its inception in 2018, overseeing R&D, PR, and business development, and driving the creation of products for platforms such as Autodesk Inventor, Blender, and SolidWorks.
  • Her leadership has been instrumental in scaling CADChain from a small team to a significant player in the deeptech space, with a diverse, international team.

IP Protection:

  • Violetta has built deep expertise in intellectual property, combining academic training with practical startup experience. She has taken specialized courses in IP from institutions like WIPO and the EU IPO.
  • She is known for sharing actionable strategies for startup IP protection, leveraging both legal and technological approaches, and has published guides and content on this topic for the entrepreneurial community.
  • Her work at CADChain directly addresses the need for robust IP protection in the engineering and design industries, integrating cybersecurity and compliance measures to safeguard digital assets.

Blockchain:

  • Violetta’s entry into the blockchain sector began with the founding of CADChain, which uses blockchain as a core technology for securing and managing CAD data.
  • She holds several certifications in blockchain and has participated in major hackathons and policy forums, such as the OECD Global Blockchain Policy Forum.
  • Her expertise extends to applying blockchain for IP management, ensuring data integrity, traceability, and secure sharing in the CAD industry.

Violetta is a true multiple specialist who has built expertise in Linguistics, Education, Business Management, Blockchain, Entrepreneurship, Intellectual Property, Game Design, AI, SEO, Digital Marketing, cyber security and zero code automations. Her extensive educational journey includes a Master of Arts in Linguistics and Education, an Advanced Master in Linguistics from Belgium (2006-2007), an MBA from Blekinge Institute of Technology in Sweden (2006-2008), and an Erasmus Mundus joint program European Master of Higher Education from universities in Norway, Finland, and Portugal (2009).

She is the founder of Fe/male Switch, a startup game that encourages women to enter STEM fields, and also leads CADChain, and multiple other projects like the Directory of 1,000 Startup Cities with a proprietary MeanCEO Index that ranks cities for female entrepreneurs. Violetta created the “gamepreneurship” methodology, which forms the scientific basis of her startup game. She also builds a lot of SEO tools for startups. Her achievements include being named one of the top 100 women in Europe by EU Startups in 2022 and being nominated for Impact Person of the year at the Dutch Blockchain Week. She is an author with Sifted and a speaker at different Universities. Recently she published a book on Startup Idea Validation the right way: from zero to first customers and beyond, launched a Directory of 1,500+ websites for startups to list themselves in order to gain traction and build backlinks and is building MELA AI to help local restaurants in Malta get more visibility online.

For the past several years Violetta has been living between the Netherlands and Malta, while also regularly traveling to different destinations around the globe, usually due to her entrepreneurial activities. This has led her to start writing about different locations and amenities from the POV of an entrepreneur. Here’s her recent article about the best hotels in Italy to work from.

MELA AI - Health News Alert: How Kidney Function Could Influence Alzheimer’s Blood Tests in 2026 | Alzheimer’s blood tests may be misleading for people with kidney problems

Violetta Bonenkamp

Violetta Bonenkamp, also known as MeanCEO, is an experienced startup founder with an impressive educational background including an MBA and four other higher education degrees. She has over 20 years of work experience across multiple countries, including 5 years as a solopreneur and serial entrepreneur. Throughout her startup experience she has applied for multiple startup grants at the EU level, in the Netherlands and Malta, and her startups received quite a few of those. She’s been living, studying and working in many countries around the globe and her extensive multicultural experience has influenced her immensely.