i think there isnt much wrong with using the computer alot... but if you are like me and you end up sitting staring at the screen for 10 hours or so that probably isnt healthy... because you arent eating for 1, losing sleep, looking at these screens flashing colors, all that jazz ya know?

i think somewhere i read that should do 30-60 mins and take 15 minute break ?
i take smoke breaks so i go outside every now and then to smoke a cig...

honestly though i have stayed awake for days and just played computer game, now that i know is not a good thing