Just 20 minutes of playing a violent shooting video game made players more accurate when firing a realistic gun at a mannequin - and more likely to aim for and hit the head.

Drinking enough alcohol to become intoxicated increases aggression significantly in people who have one particular personality trait, according to new research.

How much scientific evidence is there for and against the assertion that exposure to video game violence can harm teens?

Some video games can make children kinder and more likely to help — not hurt — other people.

Violent video games and movies make people numb to the pain and suffering of others, according to a research report published in the March 2009 issue of Psychological Science.