Nowadays, health care has become a focus of more and more people. How to eat healthily has also been an important question of many people. There are four kinds of vegetables which can effectively help people keep healthy. 

The first kind of vegetable is kelp. The nutritional value of kelp is very high. According to the medical research, the calcium contained in kelp can prevent the acidization of the blood. The blood acidization is an important factor of causing cancer. The organic iodine contained in kelp can improve the functions of biological active substances inside the human body, accelerate the secretion of insulin, increase the activity of lipoprotein lipase and improve the metabolism and usage of glucose and fatty acid in the liver and muscle tissues so as to decrease the blood sugar and blood fat. Kelp also contains abundant potassium which can balance the excessive intake of sodium and expand the peripheral vessels so as to prevent the high blood pressure.

The second kind of vegetable is mushroom. Mushroom contains more than 30 kinds of enzyme and 18 kinds of amino acid. 7 kinds of amino acid contained in mushroom are needed by the human body. Each 100 grams of dry mushroom can contain 13 grams of protein and many other nutrients.

The third kind of vegetable is fiddlehead. Fiddlehead contains abundant protein, fat, sugar, mineral substances and vitamins. It can improve the eyesight, prolong the life and beautify the skin for people. What’s more, with nice taste, it can also improve the appetite for people.

The last kind of vegetable is purslane. Purslane can be used for medical treatment. It contains protein, fat, sugar, coarse fibers, calcium, phosphorus, iron, norepinephrine and sylvite. The norepinephrine can accelerate the secretion of insulin, adjust the metabolism, reduce the density of blood sugar and maintain the stable level of blood sugar. Sylvite can reduce the blood pressure, slow down the heart rate and protect the heart for people. In addition, purslane contains abundant vitamin E, vitamin C, carotene, glutathione and other anti-aging substances. The frequent intake of purslane can prevent the coagulation of blood cells and the formation of coronarism and thrombus. According to the research, purslane plays an important role in restraining the bacteria like dysentery bacillus, escherichia coli and staphylococcus aureus.

These four kinds of vegetables can effectively help people keep healthy in everyday life. People can increase the intake of these foods.