Why does my computer give me a headache?

Can it? And can it mess up your vision? Cause I think my eyesight is getting worse and these headaches are annoying. When I'm in my room I feel fine though.

due to high electric bills, we were off my dad's dell computer, for roughly 3 1/2 months -- from jan. '09 - may '09; we recently got back on his computer. anyway, while we were not using his computer, we accidentally forgot to renew his mcafee security...

Hello i've been looking all over for the best way to do this and haven't found a simple way. I'm on a good old windows XP with fairly good stats. Let's say I bought the movie "Transformers" and want to put it on my laptop to take on a business...

Ok. I have this headache brought on by working at this computer. Work wont give me a anti glare screen, apparently the guy who gives them out isn't in. I'm in pain. I can't go home I need the money. Aren't they obliged to give me one? I have good eyesight...

OK, so, one day I put on the computer and everything was double sized! The icons and everything! I tried screen resolution and when I change the resolution to 1024x768, I goes so small that it give me a headache. And I don't know how to fix that. Also...

I'm in 9th grade and I'm doing horrible the school year ends in June and I think I might have to take summer school. First off i dont go to regular school I do home studies which is I go to my school get my homework and do it at home then I take tests...

I have been drinking various types of beer for a while now (7 or 8 years) and recently moved to Germany. It seems that nearly every beer I try here gives me an instant headache. Pilsners, many Hefeweizens, Dunkels, Hells, everything! I could drink pint...