First, eat more whole grains. In summer, you must eat a bowl of whole grains every day, which is not only good for your health, but also has a cosmetic effect, which can maintain the elasticity of your skin and delay aging. You can eat more rice, cereal or whole wheat food, which can enhance your metabolic ability and regulate the siamese immune system.
Second, propolis can improve the ability of human macrophages to swallow viruses and bacteria, and make the human immune system in the best dynamic balance state, so it is called a natural immune enhancer.
Third, mushrooms can promote the anti-infection of white blood cells. People have long regarded mushrooms as food to improve immunity, and can also promote the production and activity of white blood cells, making them more preventive.