Gaming's New Drug Culture: Sex, Drugs and Counter-Strike;
Many gamers, whether they're aspiring professionals or amateurs who enjoy displaying their talents in front of an audience, will load up on Red Bull, Rockstar, Monster and other popular energy drinks loaded with caffeine, sugar, and various stimulants.

But if you look harder at some of these events, you may find something else that gamers are using to stave off fatigue: Ritalin.
http://tomshardware.co.uk/2006/08/29..._uk/index.html
ok.......
people always have to go to far don't they, is only a game!