Meat Under Fire for Causing Cancer, Death

There's a war going on out there, and it can be found in your grocery store's meat aisle. Processed meats have been linked to colorectal cancer, but Susan Levin, nutrition education director at PCRM, said a recent study found that 39 percent of Americans don't even know what the colon (the last part of the digestive tract) is.  Read & watch videos at abcnews.com