Usually it will cause your OS to show warning that you have exceeded available memory or crash...
Prolonged use can cause wrist/arm and back problems.
Yes high levels of humidity can cause a build up of static electricity and can there for cause problems with computer components. you can combat this with a humidifier.
Computers do not cause problems; the human operators of computers cause problems. Though if you need an answer; in the beginning there were many concerns about computers and the Internet making libraries obsolete, and or literature altogether… And of course there will be future concerns such as advanced cyber terrorism, and of course there was Y2K, when people believed that computers would crash due to the turn of the centuries effect on the computer clocks... (It's moe complicated than that, but you get the point) but that's another question altogether… I hope I was able to answer a question and help you in some way, your question is very vague and therefore much more difficult to answer…
Being in a close range near any electronics such as computers, handheld games, or a television, can cause eye problems. Another thing that can cause health problems is not being active and constantly using electronics which can lead to serious heart problems and obesity.
In general, changing the computer will cause more problems than it solves. The computers seldom go bad.
Computers do not harm your eyes, but often cause temporary problems. These muscles get tired after extended use, resulting in eyestrain, neck pain, blurry near vision, headaches or difficulty changing focus
No, magnetic paint just allows magnets to stick to the paint, it is not magnetic itself. Even if it was, it would be much too weak to cause any damage.
they cause no problems
No. In fact, newer phones are designed to work alongside laptops and computers (ie - bluetooth, charging, etc).
to find out types of bullets used at a crime scene
Well computers and laptops can mess up your vision if you spend to much time on it. After that, you'll need glasses when your vision gets blurred.
They cause the same problems American kids. Cause