DNA damage, salivary cortisol levels, and cognitive parameters in a nursing team

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 negatively number years employee worked institution positively assay. Cognitive scores lower when low awakening high bedtime; educational level. status may influence overall health as well essential work skills, such attention.