1. [b]Computer germs[/b] - A study showed that the germ count on computer keyboards are 60 times higher than on toilet seats with an average of 3,295 bacteria per square inch. Imagine, moer germs than a toilet seat. I don’t want to imagine how much harmful that is. [b]How to fight it[/b]: Clean your keyboard and mouse often with with computer wipes and other equipment-friendly products. Even a washcloth and a regular sanitizer can will do to eliminate the bacteria. 2.[b] Computer vision syndrome[/b] - Computer-related vision problems include; eyestrain, tired eyes, irritation,redness, blurry or double vision. These are caused by environmental conditions such as poor lighting, glare,display quality, and radiation. [b]How to avoid it[/b]: Adjust the brightnes and position of the screen to eliminate glare and avoid eyestrain. 3. [b]Repetitive motion disorders[/b] - The most common is the carpal tunnel syndrome, a painful condition caused by pressure on the main nerve that runs through the wrist. This happens when you use the computer and the mouse for more than 20 hours a week. Now, who doesn’t spend less hours than that?! [b]How to avoid it[/b]: Keep the height of your seat at a level that allows you to work the keyboard and the mouse with your wrists and elbows at a perpendicular angle, and your shoulders relaxed.