Toddlers’ aggression is strongly associated with genetic factors

The development of physical aggression in toddlers is strongly associated genetic factors and to a lesser degree with the environment, according to a new study led by Eric Lacourse of the University of Montreal and its affiliated Centre Hospitalier Universitaire Sainte-Justine Hospital. Lacourse’s worked with the parents of identical and non-identical twins to evaluate and compare their behaviour, environment and genetics.

Fuente : http://www.eurekalert.org/pub_releases/2014-01/uom…