Earwax does more than protect your ears—it may also provide clues about your overall health. Scientists have found that changes in its color, texture, and smell can sometimes reflect infections, metabolic disorders, skin conditions, or even chronic diseases. For example, unusually greasy earwax has been linked to Parkinson’s disease, while foul-smelling or green earwax may signal an ear infection. Researchers are also exploring whether compounds in earwax could help detect conditions such as diabetes and certain cancers in the future. However, experts emphasize that earwax alone cannot diagnose disease. Persistent pain, hearing loss, unusual discharge, or a strong odor should always be evaluated by a healthcare professional.
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