1, walnuts contain quite a lot of melatonin, which can help you sleep. The increase of melatonin at night is an important guarantee for a good sleep. However, with the increase of age, many people's ability to secrete melatonin at night will be weakened, which will often seriously destroy the normal sleep mode.

2. Walnut contains a variety of unsaturated and monounsaturated fatty acids, which can reduce cholesterol content. Therefore, eating stone walnuts is good for people's hearts.

Walnuts do have the function of nourishing the brain. This is because walnuts contain a lot of high-quality fat and protein with very special chemical structure. This fat and protein are easily absorbed by human body. Eating 2~3 walnuts every morning and evening can achieve the therapeutic effect of strengthening the brain and strengthening the body. Vitamin E contained in walnut kernel can protect cells from oxidative damage by free radicals, which is recognized as an anti-aging substance in the medical field.

4. Walnut kernel also contains a variety of substances and vitamins. Regular consumption can enhance the vitality of human cells and prevent arteriosclerosis.