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.

Chicories, often called radicchio and known for bitterness, are often paired with bacon/pancetta and winter citrus in salads.

There are seven main types of lettuce, including cos or romaine, butterhead, leaf, stalk, crisphead, latin, and oilseed.