According to the World Health Organization (WHO) Asthma Report, more than 339 million people suffer from asthma, which can cause wheezing, breathlessness, chest tightness, and coughing.
According to the World Health Organization (WHO) Asthma Report, more than 339 million people suffer from asthma, which can cause wheezing, breathlessness, chest tightness, and coughing. Asthma is a condition in which the airways narrow, swell and produce