Everydayhealth.com suggests a healthy idea is to get more variety into the salad bowl

Brigid K. McVaugh, MS, RD, LD, a clinical dietitian at St. Luke's Episcopal Hospital in Houston, said all greens have something to offer, "where they differ is in the vitamin and mineral content."

Read on to find out the benefits of:

Leaf lettuce, whether red or green, looks bright and cheerful on your plate and has a mild taste, making it a good choice for children or picky eaters. It's rich in vitamins A and K, too.

"Red leaf lettuce, like most salad greens, does not contain large amounts of fiber," McVaugh said, suggesting adding high-fiber, high-nutrition vegetables such as cauliflower, cabbage, green peppers, and celery to your salad.