Seventeen-year-old Stacey Irvine says that since she was two years old, she’s eaten little else besides McDonalds Chicken McNuggets (what’s in a Chicken McNugget?). and other fast-food chicken nuggets (including this company's). Her doctors, meanwhile, reportedly say that the crispy processed fowl is killing her. The teen was recently hospitalized with difficulty breathing, swollen tongue veins and anemia (how does Weight Watchers rank McNuggets?).