Study links violent video games to aggressive behavior

A study in Pediatrics links this popular form of entertainment to aggressive behavior.

Psychologists from the US and Japan studied more than 1,600 school-aged children and teenagers over the course of a year. They found that students who played violent games at the beginning of the school year grew more physically hostile as the year wore on.

Researchers say the results show violent games don't just attract aggressive kids, they actually have the power to make children more violent.

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