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Scientists have made a groundbreaking discovery that could revolutionize disease detection—using a simple, painless test that requires only a tiny sample of earwax. This innovative approach, inspired by nature and backed by research, has the potential to provide a more accurate, accessible, and non-invasive way to monitor conditions like diabetes and stress levels. But how does it work, and why is earwax the key to unlocking better diagnostics? Read on to explore the science behind this remarkable medical breakthrough.
Key Takeaways
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Revolutionary Accuracy: The Trears earwax test is nearly 60% more effective than the traditional HbA1c blood test in measuring long-term glucose levels, providing a more reliable indicator for diabetes monitoring.
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Multifunctional Testing: Besides glucose levels, the Trears device can also measure cortisol, a key stress hormone, offering potential applications in diagnosing and managing conditions like depression, Addison’s disease, and Cushing’s syndrome.
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User-Friendly and Non-Invasive: Unlike traditional blood tests, this earwax-based method is painless, easy to use at home, and eliminates the need for complex laboratory processing, making health monitoring more accessible.
Breakthrough Health Test Uses Earwax to Detect Chronic Conditions
As medical costs skyrocket, it has become all the more important to create easy-to-use, low-cost home diagnostic tests for common conditions such as diabetes.
So, it's timely that researchers have come up with a new test that could transform the way people with high blood sugar—and many other illnesses—are monitored. Even more exciting, all that's needed for the test is a sample of earwax.
One reason that there are not many at-home tests for conditions like diabetes is that these tests are notoriously inaccurate. For one reason, most only provide a snapshot in time rather than reflecting levels of the relevant blood markers over an extended period.
This is partly to do with problems with the sampling methods themselves but mainly because levels can fluctuate with food intake, exercise, time of day, and stress levels.
So, Andres Herane-Vives from King's College London started experimenting with a different method that was inspired by worker bees.
The Medicinal Properties of Wax
The wax bees produce to build honeycombs is well-preserved and resistant to bacterial contamination. Since human earwax is similar, he thought it might be able to accurately reflect body levels of biological agents.
To do this, Dr. Herane-Vives created a novel earwax self-sampling device called Trears.
It has a plastic handgrip with a removable tip similar to a cotton swab, except it's made of a sponge impregnated with a mineral oil solution. The device has a brake that limits how far it can extend into the ear so it cannot cause any harm.
It's simple to take a sample, slip it into a container, and post it to a lab.
Beats the Standard Test by 60 Percent
Their study used 37 volunteers who were free of diabetes. Each had an earwax sample taken by syringe and blood was sampled after fasting. A month later, the participants used the Trears device to extract the wax on their own, and blood was taken after a standardized meal.
The key finding showed that Trears was almost 60 percent more effective than the standard HbA1c blood test, which reflects average glucose levels over a month.
In addition, the Trears test was much faster, easier, more convenient, and more comfortable for the participants.
Tears could potentially be a game-changer in the treatment of diabetes.
"It is estimated globally that one in two adults with Type-2 diabetes is undiagnosed, and the situation is likely to have worsened during COVID-19 as people may not have undergone screening,” explains Dr. Herane-Vives.
"Many people with Type-2 diabetes already have complications when they are diagnosed, so earlier diagnosis is critical.
"The current gold standard way to test chronic glucose levels requires a blood sample and is not perfectly reliable as it uses blood proteins as a proxy for the actual sugar levels.
"We have been working to develop a cheaper, more precise way to measure someone’s long-term glucose levels at any point in time."
Detects Cortisol Levels, Too
The body's cortisol level is also considered a valuable marker for certain health conditions and an indicator of how well you’re managing stress. However, all sampling methods, including blood, saliva, urine, and hair, fall short.
To test the Trears device, Dr. Herane-Vives’ team enrolled 37 young adults, the same group used in the blood sugar study.
First, the researchers used a syringe to take samples of wax. A month later, this was repeated in one ear, but participants were asked to use Trears themselves in the other ear this time. Blood and hair samples were also taken for comparison.
The team found earwax samples yielded more of the stress hormone cortisol than hair, and when compared to other commonly used methods, Trears was the least influenced by factors contributing to cortisol fluctuations over the previous month.
Participants also rated the device as more comfortable than traditional testing methods.
Commenting on their successful pilot study, Dr. Herane-Vives said, “…if our device holds up to further scrutiny in larger trials, we hope to transform diagnostics and care for millions of people with depression or cortisol-related conditions such as Addison’s disease and Cushing syndrome, and potentially numerous other conditions.”
My Takeaway
This is exciting news indeed. The ability to check blood sugar levels, cortisol levels, and other important biological measurements at home will make a big difference to the long-term health of those who are battling several conditions. Not to mention that these are important biomarkers of aging. For instance, keeping your blood sugar in check can help your stem cells function better. By the way, one blood sugar control secret is to add cinnamon to your meals. Another tip for better blood sugar is to avoid processed foods, especially those with chemical additives. What’s more, Dr. Herane-Vives’ team is now analyzing if the device can accurately test for COVID-19 antibodies, since they also accumulate in earwax. As of now, the Trears earwax test is still in the research phase and is not widely available, but I’ll keep you posted.
Summary
As medical costs continue to rise, researchers have developed a simple and highly effective diagnostic tool that uses earwax to measure key health markers. Inspired by the protective properties of beeswax, the Trears device offers a painless, at-home method for monitoring glucose levels, cortisol, and potentially other biomarkers. In studies, Trears outperformed traditional blood tests for diabetes by nearly 60% and provided more reliable cortisol readings than existing methods. If proven in larger trials, this innovative approach could transform the way chronic diseases are diagnosed and managed, making health monitoring more accessible and convenient for millions worldwide.
Frequently Asked Questions
How does the Trears earwax test work?
The Trears device uses a specialized sponge tip to collect an earwax sample, which is then sent to a lab for analysis to measure glucose, cortisol, and other biomarkers.
Is the earwax test more accurate than traditional blood tests?
Yes, studies indicate that the Trears device is almost 60% more effective than the standard HbA1c blood test for assessing long-term glucose levels.
What conditions can the Trears test help diagnose?
The test can measure glucose levels for diabetes management and cortisol levels for stress-related conditions like depression, Addison’s disease, and Cushing’s syndrome.
Is the Trears test available for public use?
Currently, the device is still in the research phase and is not yet widely available for consumer use. Further studies are being conducted to validate its effectiveness.
Could this test replace traditional blood tests in the future?
If large-scale trials confirm its accuracy and reliability, the Trears device could become a widely accepted alternative for monitoring various health conditions, reducing the need for invasive blood tests.
- Herane-Vives, A., Ortega, L., Sandoval, R., Young, A. H., Cleare, A., Espinoza, S., Hayes, A., & Benöhr, J. (2020). Measuring Earwax Cortisol Concentration using a non-stressful sampling method. Heliyon, 6(11), e05124.
- UCL. (2020, November 3). Earwax sampling could measure stress hormone. UCL News.
- Herane-Vives, A., Espinoza, S., Sandoval, R., Ortega, L., Alameda, L., Young, A. H., Arnone, D., Hayes, A., & Benöhr, J. (2020). A Novel Earwax Method to Measure Acute and Chronic Glucose Levels. Diagnostics (Basel, Switzerland), 10(12), 1069.
- UCL. (2020, December 11). Earwax could be used to measure glucose levels. UCL News.