It's official:
eating lettuce can kill you.
Federal health officials say lettuce is the most likely source of an outbreak of E. coli at Taco Bell restaurants in five states.
Taco Bell initially said that contaminated green onions were behind the food poisoning cases, but follow-up government testing failed to confirm that.
Federal health officials now say interviews with patients and other work has led them to believe that lettuce is to blame.
No word yet when the campaign to ban lettuce in restaurants will begin.
It's official: eating lettuce can kill you.
