and is low in calories. What's with iceberg lettuce's reputation for not having nutritional value, then? "Other greens like ...

romaine, butterhead, and leaf lettuce. With high nutrition and low calories, lettuce is a popular choice for salads and sandwiches. It is a healthy source of vitamins A and K, as well as folate ...

Federal officials are not naming the supplier of lettuce traced to a multi-state outbreak of E. coli O157:H7 infections even though they have identified ...