What should the elderly eat to maintain health in winter?

　　1. The role of vitamin A

　　American scientists have also concluded through animal experiments: Vitamin A can enhance human immune function. In winter, when the morbidity and mortality rates of the elderly are high, giving the elderly relatively more foods rich in vitamin A will obviously be of great benefit in reducing morbidity and mortality.

　　Vitamin A is a fat-soluble vitamin that has the effect of keeping warm and dispelling cold, and can enhance the resistance of the elderly and prevent them from getting sick. cold , frostbite and other diseases.

　　2. Benefits of eating fish for the elderly

　　Eat more fish elderly Maintaining good health is very beneficial. Because the fatty acids contained in fish fat are the highest substances that promote brain development. Medical Education, Education Network | Collect and organize fish such as tuna, squid, and squid contain a lot of fat, but beef and pork fat do not. About 50% of the human brain is fat, 10% of which is this fatty acid. It helps reduce inflammation in the brain and protects the brain's blood supply.

　　Alzheimer's disease is caused by the gradual reduction of this fatty acid in the brain. But eating more fish can replenish this fatty acid, which can prevent dementia. Tuna, squid, etc. Eye Especially noticeable. Because the orbital fat around the eyes contains a high concentration of this fatty acid, it not only keeps the brain young, but also prevents arteriosclerosis and myocardial infarction.

　　3. Food supplements in winter

　　Food supplements can provide higher body heat to resist cold. Nutritious foods are high in calories and rich in nutrients, especially mutton, beef, dog, chicken, and snake meat. ； Soybeans and soy products can provide high-quality vegetable protein and fat, and also produce high calories.

　　In addition, green onions, peppers, ginger, etc. among vegetables are also unique and good products to keep out the cold. In addition, the elderly should pay attention to the combination of meat and vegetables in their diet. They should also pay attention to eating more fish, seafood and foods rich in vitamin A. They can eat more vegetables and fruits appropriately, which can moisten the intestines, aid digestion, and prevent constipate etc.