AdvertisementHarsh In Hard Times? A Gene May Influence Mom's BehaviorAugust 05, 2013Jon HamiltonfacebookEmailA gene known as DRD2 affects the brain's dopamine system and is known to be associated with aggressive behavior. (iStockphoto.com)
A gene known as DRD2 affects the brain's dopamine system and is known to be associated with aggressive behavior. (iStockphoto.com)