Watch this video about video games and cancer on HowStuffWorks. Researchers at Stanford University have teamed up with Sony Computer Entertainment America, the makers of PlayStation, on the "Folding@Home" project where researchers study the folding, and more important, misfolding of human proteins; this can lead to understanding the cause and cure of diseases like cancer, Alzheimer's, Parkinson's and cystic fibrosis. See how cancer and video games work in this video from Medialink.