Green beans and other beans, such are kidney beans, navy beans and black beans are all known scientifically as Phaseolus vulgaris. They are all referred to as common beans, probably owing to the fact that they all derived from a common bean ancestor that originated in Peru. From there, they were spread throughout South and Central America by migrating Indian tribes. They were introduced into Europe around the 16h century by Spanish explorers returning from their voyages to the New World, and subsequently were spread through many other parts of the world by Spanish and Portuguese traders. Today, the largest commercial producers of fresh green beans include the United States, China, Japan, Spain, Italy and France. Long beans (String Beans) are a type of green vegetable, available throughout the year. It is 12 - 30 inches long, slender generally pale green to dark green colored, depending on the variety. Although red colored variety may also be seen in the market at times. Each pod consists of small edible peas within, which are light green in color. The crisp, tender pods are eaten both fresh and cooked. Long Bean is considered as an energy food. Long beans are a low calorie vegetable and hence can be consumed by those on weight loss. It has good amounts of Vitamin A as well as fair amounts of Vitamin C. Being a green vegetable, it is rich in phytochemicals and anti oxidants, thus plays an important role in fighting cancer and delays aging. They offer cardiovascular protection and help lower blood pressure. They have anti inflammatory effects and relive inflammation in arthritis and asthma. Long Beans can be cooked as a curry using coconut milk or can be tempered combining with onions and other spices.