You may have heard of pink slime, but you may not have seen this article about the whole cheese thing a couple years back. I haven’t researched these topics any further than the articles, so you can go ahead and update me on anything you find.
Also, if don’t know anything about Dr. Burzynski, I might point you in the direction of this linky here. I’m not quite certain the validity of Burzynski’s claims, he might just be a quack, who knows. At the very least his story sheds a dark light on the FDA.