You know - I'm not a gamer, not at all. I don't see anything wrong with it - but I also don't believe that gaming alone is detrimental to your health. As with all addictions - substance or non-substance - the quantity, frequency and intensity of use make the line between enjoyment and abuse blurred... Addiction is a serious risk, if you ask me.

On the other hand, I myself have experienced in reaction time experiments, for example, how I - with proven very fast reactions - was left miles behind by gamers. They have reached a level of reflexivity that a mere mortal cannot match... Soft measures such as problem-solving skills, breadth and depth of perception, attention span or focussing also clearly show the superiority of experienced gamers...