How MRI Works

MRI provides an unparalleled view inside the human body. The biggest and most important component in an MRI system is the magnet -- it could suck a metal watch right off your wrist and into the machine.

MRI is a very complicated technology not well understood by many. In this article, you'll learn all about how a huge, noisy MRI machine actually works. What is happening to your body while you… » Full Story on HowStuffWorks