Scientists hail earwax test for checking stress hormone levels – The Guardian

A test that uses earwax to measure levels of the stress hormone cortisol could transform diagnostics and care for millions of people with depression or stress-related conditions, scientists have said.
The researchers believe the test, which can be done at home without clinical supervision, may also have the potential to measure glucose or Covid-19 antibodies that accumulate in earwax.
They say the method is a cheap and effective way to measure chronic cortisol levels, when compared with other methods…

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