In a cross-sectional study of women in nursing team at university hospital southern Brazil, we studied DNA damage, salivary cortisol levels, and cognition. damage was measured blood leukocytes with the comet assay micronucleus test. Salivary levels were determined upon waking, 30 min later, bedtime. Cognition evaluated according to Stroop, Digit span Word tests. Cortisol on waking up associated...