Why is health risks when you are on a computer?

Answer 1

Like all things today , its OH&S , you get eye strain from looking at the screen , RSI or Carpel tunnel syndrome from reptitive motions such as typing using mouse wrong (note turn your hand so that your thumb its at the top see how much comfortable it is using a mouse that way with the right mouse) , sitting too long at the wrong posture Back pain .

Lots of factors such as desk height and ergonomics of your work environment will effect your body