When you think of a hard-core gamer, do you picture a teenage boy battling his friends in World of Warcraft?
The average gamer, far from being a teen, is actually a 35-year-old man who is overweight, aggressive, introverted — and often depressed, according to a report from the Centers for Disease Control and Prevention (CDC).

http://www.wired.com/epicenter/2009/08/gamers-are-sad