As we all know, beans are a kind of healthy food which are beneficial to human body. If people eat some beans every day, it can make them away from the troubles of some diseases. There are many different kinds of beans, each containing different nutrition and having different effects on human body. As a result, the following section will introduce the nutrition and health-care effects of four different kinds of beans in detail.

First, red beans
Red beans have a lot of effects on human body, such as clearing heat and detoxicating, invigorating spleen and reinforcing stomach, promoting urination and eliminating swelling, and so on. It can be used for the treatment of edema, beriberi, etc. What's more, if you cooked red beans with coix seeds together, it is very effective in improving the symptom of diarrhea.

Second, mung beans
Mung beans contain a large number of vitamin A, vitamin B, vitamin C, etc, which not only can bring down the blood pressure, but also have good effect on fatigue, swelling, and so on. In addition, mung beans can also improve the eyesight. Sweet mung bean soup is a kind of good drink during the hot summer. It not only can increase nutrition, but also has some effect on nephritis, diabetes, hypertension, atherosclerosis, gastroenteritis, pharyngitis, and vision loss and other diseases.

Third, soybeans
Soybeans are rich in protein, fat, lecithin, and various kinds of vitamins. Different kinds of nutrients contained in soybeans have different effects on human body. According to the research, the saponins contained in soybeans can delay the aging process of human body; lecithin can remove the cholesterol in the vessel wall and soften the blood vessel; phosphorus is very useful for the brain nerves; and the large content of iron in soybeans is very beneficial to those who suffer from iron-deficiency anemia.

Fourth, kidney beans
Kidney beans not only contain plenty of protein, calcium, iron and other trace elements, but are also rich in potassium and magnesium, while contain little sodium. As a result, it is especially suitable for the patients with heart disease, kidney disease, and high blood pressure. What's more, kidney beans also contain saponins, urease and a variety of immunoglobulin and other unique ingredients, which have the effect of improving the function of immune system, enhancing the resistance against diseases, activating lymphoid T cells, promoting the synthesis of DNA, and so on. As kidney beans can inhibit the growth of tumor cells, so they have been widely used in medical community.