Preschoolers with a parent away at war were more likely to show aggression than other young children in military families, finds new research.

Treatment that combines a certain type of psychotherapy with an antidepressant medication is most likely to help children with anxiety disorders, but each of the treatments alone is also effective, according to a new study funded by the National Institutes of Health's National Institute of Mental Health (NIMH). The study was published online Oct. 30, in the New England Journal of Medicine.

In the largest ever genetic study of male to female transsexuals, Australian researchers have found a significant genetic link between gender identity and a gene involved in testosterone action.

Democrats trying to escape labels like "liberal" are finding help in a handbook by a professor who was virtually unknown in political circles not long ago.

Brain-imaging studies reveal that voting decisions are more associated with the brain's response to negative aspects of a politician's appearance than to positive ones, according to research published online in the journal Social Cognitive and Affective Neuroscience.

In a continuing attempt to grapple with the sexual abuse scandals of recent years, the Vatican issued guidelines that recommended psychological screening for candidates for the priesthood.