Chances are, most people know someone who has died of colon cancer.
This disease, formally known as colorectal cancer, is the second-leading cause of cancer-related deaths in the United States, and that's a key reason why March was designated National Colorectal Cancer Awareness Month by President Clinton in 2000.
Even though he didn't relish the idea of undergoing a colonoscopy, Shelby County Sheriff Mike Armstrong decided he didn't want to take a chance of becoming a statistic.