Lettuce is a crisp, green staple in any salad worldwide. It can also be used in sandwiches, wraps, and other freshly prepared foods. It can also be lightly grilled. The lettuce plant has also been used in medicine in folk methods. It is one of the main plants consumed in any weight loss diet, as it has almost zero calories and no fat. It is also extremely high in vitamin C and protein. Lettuce is also said to help alleviate insomnia. The main features of this plant are as follows.