Personal computers are now recognized as a cause of heads for many people who use them for business or pleasure. If you're using your computer for business or as part of your job then this can be a real problem. You may need to take a break from your keyboard, but you can not do this too often, so how do you avoid further headaches?

1. Make sure your post is correct.

Sitting in an incorrect posture for hours at a time can easily cause the tension that leads to a headache. If you are anything other than average height then you will probably need to adjust the height of your chair to ensure that your arms can rest on the desktop comfortably in a horizontal position.

If the desktop is too low for you then you may find yourself leaving on your wrists as you type or use the computer mouse. If it is too high then you'll find yourself compensating for this by bending your wrists excessively to work the keyboard and mouse.

Once you have this setting optimized for your comfort, make sure you sit upright at all times, and have sufficient lumbar support from your chair.

2. Take a break regularly.

Even with point number 1 covered, your body will complain if you spend too long at a time sitting in front of your PC. Get up from your chair every 30 to 40 minutes and walk around the room for a minute or two. Do some stretching exercises if you can, to relax and tone the muscles. Gaze out of the window for a short while so your eyes can focus on something in the distance, rather than just inches away.

3. Breathe properly.

This sounds odd because does not everyone breathe properly? Actually, most people do NOT breathe properly for most of the time. In front of a computer most people only utilize around 40 per cent of their lung capacity. This means the body, including the brain, is being slowly starved of oxygen, and this in turn is a major cause of headaches.

It's very easy, when concentrating on your work at the computer, to forget all about your breathing. Try and avoid this, even if it means having a post-it note attached to your monitor saying something like, “Do not Forget To Breathe!”

4. Drink plenty of water.

Insufficient water intake is a major cause of headaches, and has been since long before computers were invented. Always have a glass of water nearby and make sure you drink it – at least two glassfuls per eight hour day, and more in hot weather. This should be in addition to any tea or coffee you drink. Sometimes drinking a couple of glasses of water can dissipate a headache on its own, so never underestimate the importance of this kind of natural headache relief .

5. Check your computer monitor.

Sometimes a computer monitor can give the user a headache. Although levels of brightness are much more acceptable with modern flat-screen monitors, you should check periodically that the brightness level is not too high. If you're using an old fashioned CRT monitor then also check that it's focused properly, as fuzzy images and text are very bad for your eyesight and are often the cause of headaches.