As we all know, regular and sufficient exercise is good for health. A few days ago, Dr. Clove told everyone that healthy people should also exercise regularly in winter. However, in some areas of our country, when winter comes, the cold air is accompanied by smog. The outdoor air quality is so poor that many people who want to take outdoor sports are relieved: originally they decided to take part in sports for the sake of health, and the outside environment looks like a gas chamber. Go? Or not? It is indeed a dilemma. Is smog harmful to what? Pollutants in the air will stimulate the large and small airways of the respiratory system, induce infection or immune response, and Read More …