What is asthma?

summary

Asthma is a common respiratory disease, recognized as one of the four major persistent diseases by the world medical community, and listed as the top ten causes of death, seriously endangering people's physical and mental health. Asthma is a common respiratory disease, recognized as one of the four major persistent diseases by the world medical community, and listed as the top ten causes of death, seriously endangering people's physical and mental health.

What is asthma?

First, the essence of asthma is allergy. In general, we say allergy refers to skin allergy, eating something, skin redness, itching. But the essence of asthma is airway allergy. Asthma patients come into contact with specific things (such as pollen, shrimp, etc.), respiratory tract "allergic" reaction, spasm, a large number of secretions, leading to dyspnea, shortness of breath.

Second: the common allergens of asthma include food, pollen, dust and animal protein. In addition to allergens, inducing asthma also includes some non-specific factors, such as cold and hot changes in the air, humidity changes, special smell, etc.

Third: with the development of our society and economy and the improvement of people's living standard, allergens such as family decoration, domestic pets and food additives are increasing. Asthma is not only prevalent among the elderly population, but also incidence rate among young people and children.

matters needing attention

Data show that there are as many as 300 million people with asthma in the world, and nearly 30 million people with asthma in China, nearly double the number 20 years ago. The incidence rate of asthma in Shenzhen has increased to over 300 thousand. The incidence rate of asthma has increased year by year, and the incidence of asthma in children is 5%.