Walnut, native to the Near East, is also known as walnut and peach, and is also known as the four world-famous dried fruits together with almond, cashew nut and hazelnut. It can be eaten raw or fried, and can also be used to extract oil and make cakes and sweets. It is not only delicious, but also has high nutritional value. It is known as "Long live the child" and "longevity fruit". In western European countries, it is also a holiday food for some traditional festivals such as Christmas. Another kind of hickory, also called wild walnut, is a native product of China, Zhejiang and Hangzhou, and its nutrition is basically the same as that of walnut. ≮ Efficacy ≯ Walnut is rich in vitamins B and E, which can prevent cell aging, strengthen brain, enhance memory and delay aging. It contains special vitamins, which will not only increase cholesterol, but also reduce the absorption of cholesterol in the intestine, so it is very suitable for people with arteriosclerosis, hypertension and coronary heart disease. Walnut kernel contains a lot of vitamin E and linolenic acid, which is an ideal skin care agent for human body. Regular consumption has the effect of moistening skin and blackening hair. Chewing some walnuts when you feel tired can relieve fatigue and stress. Walnut can also tonify kidney, solidify essence, moisten intestines and relax bowels, and strengthen the body. ≮ Suitable crowd ≯ Everyone can eat it. Walnut has high medicinal value. "Compendium of Materia Medica" records that walnuts are sweet in taste and flat in nature, and can tonify qi and blood, regulate dryness and eliminate phlegm, warm kidney and lung, and relieve asthma. Eating walnuts regularly can nourish blood vessels, stimulate appetite, blacken hair and beard, and treat sexual dysfunction, neurasthenia, memory loss and other diseases. Therefore, there is a saying among the people that eating walnut oil often makes a white-haired old man play with yak. Peach food has nourishing and health care functions, and is suitable for all ages. Eating more for pregnant women is beneficial to the skeletal development of the fetus. Regular consumption by children is beneficial to growth and development, enhancing memory and protecting eyesight; Young people often eat it to make their bodies healthy and their skin smooth; Middle-aged and elderly people often eat it, which can protect the heart and moisten the lungs, improve intelligence and prolong life. Studies have confirmed that walnuts have obvious effects in the following aspects: strengthening the brain and preventing diseases. The linoleic acid, linolenic acid and various trace elements contained in walnuts are good sources of structured fat in brain tissues and cells. Sufficient linoleic acid and linolenic acid can eliminate impurities produced by metabolism in blood vessel wall, purify blood and provide fresh blood for the brain, thus improving the physiological function of the brain. If people can eat walnut food regularly, they can lower their blood cholesterol. At the same time, walnuts are also rich in minerals such as calcium, phosphorus, iron, potassium, magnesium, zinc, manganese and various vitamins. Regular consumption not only has the function of strengthening the brain, but also prevents hypertension and cardiovascular and cerebrovascular diseases. Meng Xi, a famous doctor in the Tang Dynasty, said that walnuts can dredge channels and collaterals, moisten blood vessels, and make the skin delicate and smooth. This is because walnuts are rich in various special nutrients, which can be easily digested and absorbed by the human body, enhance cell vitality, enhance the body's disease resistance and prolong life. At the same time, vitamin E rich in walnuts can improve the physiological activity of human skin and contribute to beauty. It can be seen that eating walnuts often plays an important role in health, and it is inexpensive. Why not eat it often?