Yam is favored by most people. As we all know, the medicinal effect of mountain is flat, which has the functions of invigorating qi, enriching blood and nourishing yin. At the same time, yam has a good buffering effect on the gastrointestinal tract in the human body and can also remove moisture. Therefore, yam is regarded as a health care product. For the elderly, moderate consumption of yam is not only beneficial to gastrointestinal maintenance, but also can improve immunity.

Second, Chinese cabbage

Chinese cabbage is a very common vegetable and fruit in daily life. Moreover, Chinese cabbage is cheap and beautiful, and everyone can trade it. Although the price of Chinese cabbage is not high, its nutritional content should not be underestimated. Chinese cabbage contains a lot of methyl cellulose, as well as a lot of vitamin C and vitamin E, which are indispensable for the elderly who want to enhance their immunity. Therefore, if you want to improve your immunity, you can eat more Chinese cabbage on weekdays.

Third, spinach.

Although spinach is only a very common vegetable and fruit, it has the functions of soothing the liver, regulating qi and nourishing blood. At the same time, spinach is a dark vegetable, and eating more spinach can also supplement the copper in the human body and convert it into hemoglobin concentration, which is beneficial to the body. Especially for the elderly, moderate consumption of spinach can also promote gastrointestinal function. It must be noted that spinach contains enough hydrochloric acid and should be cooked before eating.

Fourth, radish.

Radish, as a kind of food in life, also has a good health preserving function. As the saying goes, "eat radish in winter and ginger in summer". Eating radish on time can not only preserve health, but also improve human immunity. Because radish contains a lot of interferon suppository inducer, it is the killer to improve human immunity. Moreover, there are many ways to eat radishes, and you can cook them according to your own hobbies.

Five, sweet potato

For the elderly, sweet potato is a top-grade health care product. Sweet potato is rich in beta carotene, which is especially suitable for the elderly who want to enhance their immunity. Because beta carotene can help the body reasonably resist external pathogens, and then improve the body's immune ability. Therefore, eating more sweet potatoes can help elderly friends complete their daily health.

Whether for the elderly or young people, health preservation is an eternal topic discussion. In daily life, in addition to ensuring a scientific diet, everyone must also cultivate a healthy and regular lifestyle. For example, you can take a moderate walk after a meal and keep enough sleep. Only by carrying out this kind of protection at the same time can we achieve real health preservation and improve the body's immune ability!