1. Working with computers for long periods of time can cause many different kinds of health problems. These can include stress, eyestrain and injuries to the wrists, neck and back. Employers must take steps to protect employees whose work involves the regular use of computers from these health risks or face the risk of being sued for compensation.

5. Sitting in the correct position, using specially designed furniture, keyboards and wrist rests, and learning how to type correctly can help to avoid RSI or at least reduce the damage that might be caused.

7. Computer monitors are a common source of extremely low frequency, or ELF, radiation. Some studies have shown that this type of radiation may cause health problems. There is some evidence for example that working for long periods in front of computer screen may increase the risk of a miscarriage during pregnancy.