GMA: Fighting in Front of Children, Emotionally Damaging

May 7 -- They may not listen when told to clean their rooms, but when Mom and Dad are having a raised voices, door-slamming fight, children are all ears.

And what they are hearing isn't good for them, according to a new study from Cardiff University, which says that arguing in front of children can cause them serious damage.

Dr. Gordon Harold, a researcher at Cardiff University in Cardiff, Wales tells Good Morning America's parenting contributor Ann Pleshette Murphy that parents can argue in front of children, but should do so with caution.