A new earwax sampling method could be a cheap and effective way to measure cortisol levels, according to a study by researchers at the University of California, Los Angeles and King's College London..
Results, published in the journal Heliyon, may point to new ways to monitor depression and stress-related conditions. The new device can be used at home without clinical supervision. It can potentially measure glucose or COVID-19 antibodies.
Lead Researcher Dr. Andres Heran-Vives notes: “Collecting cortisol samples is extremely difficult because hormone levels can fluctuate.. But earwax cortisol levels seem to be more stable, and our new device makes it easy, quick, cheap and effective to sample and test. "
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