Vegetables have a lot of benefits to human body. They not only can provide people with abundant nutrients, but also can help expel the toxins out of the body, and make the skin soft, smooth, and delicate. In the following sections, we will introduce you four kinds of vegetables which are very beneficial to human health.

First, spinach
Spinach can clear away the toxins and heat in the human stomach and intestines, so as to prevent constipation. Spinach leaves contain a kind of substance similar to insulin, which can maintain the stability of blood sugar. The large number of vitamins contained in spinach can prevent angular stomatitis, night blindness and other vitamin deficiency. What's more, spinach also contains large amounts of antioxidants, which can prevent aging and promote cell proliferation. As a result, it not only can activate the function of the brain, but also can enhance the youth and vigor, and prevent brain aging.

Second, kelp
Kelp contains a substance called as "sulfated polysaccharide", which can remove the cholesterol attached to the blood vessel wall, so as to maintain the cholesterol in a normal level. The algin contained in kelp can form a gelatinous substance in the intestines, which can help eliminate the toxic substances and radioactive elements in the body, and prevent the body absorbing lead, cadmium and other heavy metals. At the same time, it is also helpful for the treatment and prevention of atherosclerosis, constipation and colon cancer. What's more, kelp also contains a lot of iodine, which can stimulate the pituitary gland, so as to lower the level of estrogen in women, and eliminate the hidden danger of hyperplasia of mammary glands.

Third, black fungus
Traditional Chinese medical science believes that black fungus has the effect of nourishing the vitality and invigorating the circulation of blood, as well as eliminating the heat and toxins in the blood. The plant pectin contained in black fungus has a strong adhesive force, which can discharge the wastes remained in the digestive system out of human body, so as to clean the stomach and intestinal tract. What's more, black fungus can also reduce blood clots, and prevent the occurrence of thrombosis.

Fourth, pumpkin
Pumpkin can effectively prevent and treat blood pressure, gallstones, diabetes and other liver and kidney diseases. Pumpkin is rich in pectin, which can delay the absorption of glucose and lipids by the intestinal tract, and can also remove the heavy metals and part of the pesticides in the body. Moreover, pumpkin can also eliminate the mutation of carcinogenic amine nitrite.