The Science of Earwax: It May Help Detect Cancer, Diabetes, and Other Diseases

In recent years, earwax has gone from a relatively untapped biological resource to the focus of scientific study, particularly diagnostics.

In 2019, scientists developed a new way to detect cancer using earwax, publishing their findings in Nature. The researchers called the new method the Cerumenogram. The study collected earwax from two groups: people with cancer (lymphoma, carcinoma, or leukemia) and those without cancer.

When tested, 27 biological markers contained in the earwax were able to discriminate between cancer patients and healthy controls 100 percent of the time. The new test has the potential to be a quick, noninvasive, inexpensive, and highly accurate test for cancer diagnosis.

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