Bronchial asthma is one of the most common chronic respiratory diseases in children. In recent years, the prevalence rate of asthma in all countries in the world has shown an obvious upward trend. According to incomplete statistics, the prevalence rate of childhood asthma in Beijing rose from 0.78% to 2.06% in the 10 years from 1990 to 2000, an increase of 1.6 times. In 2010, the third national epidemiological survey of urban childhood asthma was carried out in 43 cities in China, and the report pointed out that domestic pets were the unique risk factors for asthma in children ≤ 3 years old [1]. Is it how’s relationship between domestic pets and childhood asthma, whether they should be [close] or Read More …