Bullying may leave long-lasting scars on kids’ DNA in addition to their psyche, new research suggests.
A small study found that bullied kids are more likely to have changes in the expression of a gene involved in mood regulation compared with their identical twin siblings who were not bullied.
"Since they were identical twins living in the same conditions, changes in the chemical structure surrounding the gene cannot be explained by genetics or family environment," researcher Isabelle Ouellet-Morin said in a statement. "Our results suggest that victimization experiences are the source of these changes."
Adapted from: Live Science
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