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Showing results for tags 'midnight salivary cortisol'.
A simple test that measures free cortisol levels in saliva at midnight — called a midnight salivary cortisol test — showed good diagnostic performance for Cushing’s syndrome among a Chinese population, according to a recent study. The test was better than the standard urine free cortisol levels and may be an alternative for people with end-stage kidney disease, in whom measuring cortisol in urine is challenging. The study, “Midnight salivary cortisol for the diagnosis of Cushing’s syndrome in a Chinese population,” was published in Singapore Medical Journal. Cushing’s syndrome,