Yes, you can definitely spend too much time playing games to the point where it's unhealthy.
Since emotionless androids and cyborgs from Skynet are not yet an option for the US military, the Pentagon is trying to develop the next best thing: a pill that allows troops to purge PTSD-related fear and anxiety.
Posttraumatic stress disorder (PTSD) is a common, yet incurable illness plaguing soldiers who have experienced the horrors of combat.
For many people, there's still a stigma associated with therapy, and soldiers are at least as vulnerable to this as anybody else.
Researchers at the University of Iowa have confirmed that a female patient with a damaged amygdala is utterly incapable of feeling fear.
Tetris appears to have a unique ability to reduce unpleasant flashbacks, Oxford University scientists have found. While the discovery probably won't lead to teams of medics rushing to disaster scenes clutching games consoles, it could have implications for the treatment of post-traumatic stress disorder.