Lentils were used in the stew made by Jacob to gain Esau's birthright in Genesis, which may be a clue as to their value in maintaining good health. Lentils are one of the best vegetable sources of iron.
Lentils can benefit the heart and circulatory systems. They reduce blood cholesterol and blood pressure, increase kidney vitality, and control blood sugar. The neutraceuticals in lentils can inhibit cancer.
You can find lentils in a variety of colors--brown, green, red, yellow, etc. The color indicates the organ it most benefits: green (liver), red (heart), yellow (spleen-pancreas).