What diseases are likely to be caused by smog in Beijing?

Hello, in this hazy weather, the most "injured" thing is the respiratory tract. Harmful substances in the fog can cause irritation and damage to the respiratory tract. Therefore, foggy days, especially continuous foggy days, can easily cause upper respiratory tract infections and other diseases. Children with weak resistance and the elderly with chronic diseases are especially susceptible. The damage of smog. This is directly related to factors such as low pressure in foggy weather, poor air circulation, and an increase in respirable fine dust.