14. Does McDonald's use so-called pink slime in its burgers?

Widespread claims that McDonald's uses "pink slime" in its meat are a myth.
The company says it removed the substance from its meat three years ago.
"Lean finely textured beef treated with ammonia, what some individuals call 'pink slime' or select lean beef trimmings, is not used in our burgers. Any recent reports that it is are false," McDonald's USA writes.
The so-called slime refers to lean beef trimmings — what’s left of the meat after all the choice cuts of beef are taken — that is treated with ammonium hydroxide, creating the pink hue. Ammonium hydroxide is used to kill off bacteria, such as E. coli.
The trimmings are banned from human consumption in the U.K., but the U.S. Department of Agriculture deems them safe for people to eat.