And though ingredients and toppings vary widely from one salad to another, the base ingredient they all have in common is some form of lettuce. Here's which types of lettuce are most popular ...

This is the lettuce you eat at Burger King.' As soon as I saw the post that doxxed the pic I became immediately nauseous and felt my heart rate and blood pressure go through the roof. There were ...

By the time she was ready to toss the kit together and dive in, she noticed the edges of the lettuce were turning an unexpected hue: pink. She asked around, “Is it safe to eat pink lettuce?” ...

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“If you buy bagged lettuce, even if it says it’s washed, wash it yourself,” read a warning from Dr. Viña in reporting from the Huffington Post that was originally published in Spanish.