Are you concerned about the amount of time you or a loved one spend playing video games? You aren't alone – the American Medical Association is too. In fact, they were so concerned they commissioned a study of the possibility of video game addiction.
In a conclusion that might concern the industry, including Electronic Arts (NASDAQ:ERTS), Playstation maker Sony Corp ADR (NYSE:SNE) and xBox's Microsoft (NASDAQ :MSFT), the study raises serious concerns about the pastime.
That concern falls into two categories – the first, the potential for game activities to shape the non-game behavior of participants, hearkens back to the long-running concern over television violence. The AMA study points to a number of small studies that find a causal link between violent games and the aggressive behavior of those who play them. However, it also recognizes that industry-sponsored studies found no such link.

In the 

