"Living in a violence-plagued neighborhood may cause such great stress that a person's gene expression may be altered. These are the findings of Katherine Theall, Stacy Drury and an interdisciplinary team of Tulane University researchers....
"In their recently conducted study, the co-investigators found that in a group of children, ages 4–15, more than 50 percent had experienced at least one life adversity, including witnessing some form of violence.
"While psychological distress among the children would be expected, Theall says, "The exposure to violence also was associated with physiologic, internal stress." Theall refers to this stress as that which gets "under the skin."...
http://medicalxpress.com/news/2013-11-disordered-neighborhoods-skin.html
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