Asthma is a serious public health problem. It is reported that about 300 million people worldwide suffer from asthma. It is estimated that the global prevalence of asthma will increase by 100 million people in the next ten years. .
Asthma is a serious public health problem, with reports that about 300 million people worldwide suffer from asthma, and it is estimated that the global prevalence of asthma will increase by 100 million people over the next decade.
Asthma is a serious public health problem. It is reported that there are about 300 million people suffering from asthma in the world. It is estimated that the global prevalence of asthma will increase by 100 million in the next decade..