Lettuce is a versatile food, but most associate it with salads or a health-conscious substitute for bread. Americans ate nearly 26 pounds of lettuce in 2015, according to the Agricultural ...

Here are 20 healthy ingredients you can add to salad. A typical salad starts with raw greens, like lettuce, mixed greens, or arugula. However, you can also add several other raw vegetables.

NASA astronaut Sunita Williams, who is currently aboard the International Space Station (ISS), is leading a one-of-a-kind ...