When they must act quickly, selfish people are likely to act more selfishly than usual, while pro-social people behave even more pro-socially, a new study found.

It is common knowledge that practicing gratitude is a healthy habit. But when it comes to writing letters of thanks to people who have made a difference in your life, the excuses pile up quickly.

A new study from a team of researchers at Children’s Hospital of Philadelphia and the University of Pennsylvania School of Nursing found that in the previous three months, about half of parents talked on a cell phone while driving when their children between the ages of 4 and 10 were in the car, while one in three read text messages and one in seven used social media.

Nearly half of all men in a new study about intimate partner violence in male couples report being victims of abuse.

Providing "targeted" social support to other people in need activates regions of the brain involved in parental care – which may help researchers understand the positive health effects of social ties, reports a study in Psychosomatic Medicine: Journal of Biobehavioral Medicine, the official journal of the American Psychosomatic Society.

Spotting a bully is more nuanced than it might seem because there is a difference between general aggressive behavior and bullying. They are not the same thing, according to the findings of a new paper by a University at Buffalo psychologist who is among the country’s leading authorities on aggression, bullying and peer victimization.