A rapid heart rate..increased sweating..furious clicking of the mouse..cursing at your computer screen. Do any of these happen to you when you're surfing the web? If so, you may be experiencing the first signs of "mouse rage."

At least that's what a new study has to say.

We've all had frustrating moments when our computers just won't work the way we want them to. But are poorly designed websites and annoying pop-up ads actually bad for our health?