When you order a hamburger from a fast food restaurant, what do you think you’re eating? Just meat? Yeah, you wish. The actual percentage that’s real muscle tissue ranges from 2-15%. What’s the rest? Ammonia-treated trimmings, or ‘pink slime’ as it’s been described. McDonald’s recently announced they’ll stop using pink slime, now what about the rest of them? Check out the video below, and for more on this, read this article at Care2.