A University of Iowa researcher and his colleagues have found that stress responses triggered by circumstances in America's prisons can cause people who have been incarcerated to age faster.
IOWA CITY, Iowa — A University of Iowa researcher and his colleagues have found that stress responses triggered by circumstances in America's prisons can cause people who have been incarcerated"Thank God evolution gave us the tendency to be aroused and to flee," University of Iowa professor Mark Berg said. "We still possess that, and we use it occasionally. But if it happens too much, it's very, very unhealthy.
"To my great surprise, we found very durable effects among a sample of people who are only looking at their fourth decade of life who otherwise should be healthy," he said.data from the Department of Corrections. Berg is director of the Crime and Justice Policy Research Program at UI's Public Policy Center. Ethan Rogers, a colleague at UI, along with Man-Kit Lei and Ronald Simons from the University of Georgia, also worked on the research.
To do so, researchers used DNA analysis to assess whether those 410 adults are biologically "older" than their age on a calendar. They tested for methylation levels in DNA, which can take a toll on the essential biological process of gene expression and lead to accelerated aging.
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