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How much radiation is emitted by a personal computer/laptop? Is it dangerous if exposed to it for two long?

How much radiation is emitted by a personal computer/laptop? Is it dangerous?

Computer screens emit visible light which allows the characters on the screen to be seen. Weak electromagnetic fields and very low levels of other radiation, not visible to the human eye, can be detected by sensitive instruments. Similar emissions are produced by television receivers.

The levels of most radiations and electromagnetic fields emitted from computers are much less than those from natural sources, such as the sun or even the human body and are well below levels considered to be harmful by responsible expert bodies such as the International Radiation Protection Association (IRPA).

http://www.safety.uwa.edu.au/policies/computer_workstation_ergonomics

Princeton University Position Statement on WiFi Radiation Concerns :

It is the general consensus of the scientific community that the level of RF exposure due to wireless networks is so low compared to the many other RF sources in the modern environment that health concerns from WiFi exposure are not an issue. The results of the survey of Firestone Library support the data and conclusions from other WiFi surveys. We can reasonably say that the wireless networks present at Princeton University do not present a hazard to persons working or otherwise spending time in University buildings.

http://web.princeton.edu/sites/ehs/radiation/nirad.htm

I’ve heard that most studies recommend a 2 foot rule (the distance between you and the monitor.) However, I don’t know how or if the 19″, 22″, 36″ etc. monitors available today change the radiation dosage levels due to their larger size.

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