Nutrition is the foundation of immunity. First of all, we should ensure that we can eat high-quality protein every day, and eat more animal food and bean products. Fish and eggs are ideal sources for protein. The utilization rate of protein in milk is high, and patients with high cholesterol can use skim milk. Bean products not only supplement high-quality protein, but also do not raise blood lipid. Secondly, eat more fresh green leafy fruits and vegetables, because fruits and vegetables are rich in trace elements, water-soluble vitamins and dietary fiber, which can provide rich vitamins such as vitamin C and β -carotene and play an important role in maintaining the normal physiological function of the elderly. It is also necessary to ensure the intake of various inorganic salts and trace elements, such as calcium, iron, selenium and chromium. Milk and dairy products are good sources of calcium. Foods with high chromium content include meat, beans and seafood.
The elderly should eat more antioxidant foods and supplement antioxidant nutrients, which can enhance immune function. Free radicals are constantly produced in the human body, destroying cells in the body and destroying the immune system. Antioxidant nutrients can effectively scavenge free radicals. However, with the increase of age, the antioxidant substances in the human body gradually decrease, leading to the accumulation of free radicals, so health lights up red. Antioxidant nutrients include vitamins E, C, β-carotene, copper, selenium and so on. They are included in antioxidant foods, such as potatoes, green tea, oranges, broccoli, milk, fish, wheat, cherries, strawberries, watermelons and tomatoes.
Second, I have a happy mood every day.
Old people should pay special attention to maintaining mental health. Nerve fibers are distributed in various tissues and organs of the human immune system, and all nerves are under the command of the brain, so the activity of the brain directly affects the function of the immune system. A positive and optimistic mental state helps to promote the growth of immune cells and stimulate the vitality of the immune system, thus fully protecting the body.