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Test on saliva can provide clues to childhood stress

In four separate studies of mothers and their infants, preschoolers, kids and teens, a multi-university research team has shown, for the first time, that a simple test of a little drool can provide new insight into the role of social stressors, including relationships with parents and teachers, in child development.

The test monitors alpha amylase, an enzyme secreted by the salivary glands, that has been linked in adults to the sympathetic nervous system’s (SNS) fight or flight response. Now, in these new studies, alpha amylase has been shown to be a marker for the SNS response in children, too.

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Read the full article: New tool taps drool for clues to childhood stress