What to eat on foggy days in Beijing is good for your health?

Hello, you can eat it in the smog weather in Beijing, such as pumpkin, fungus, sweet potato, carrot, cantaloupe and orange, which can be transformed into vitamin A in the body, which can not only play an antioxidant role, but more importantly, the physiological function of vitamin A can maintain epithelial cells and form a protective film in our respiratory tract, effectively preventing the invasion of external pollutants.