Here's which types of lettuce are most popular, why these greens are good for you and what you need to be mindful of as you include more in your diet.

Red leaf lettuce is tender like Boston lettuce ... While a head of little gem lettuce looks like a small romaine, it’s not a baby version of it. Little gem lettuce is sweeter, though still ...

Leaf Lettuce: This variety includes red and green leaf lettuces, known for their loose, ruffled leaves and slightly peppery taste. How to Buy and Store Lettuce When purchasing lettuce, look for ...