Tag: how bad is stage 4 asthma

Asthma is a lung disease that lasts for a long time. In this, there is swelling and contraction in the respiratory tract. Due to which there is a problem like shortness of breath. This can happen at any age. If its symptoms are not caught on time, then the condition can also become serious. The severity of the symptoms of this disease can depend on its different stages. There are four stages of asthma. Very few people know about this. Let us know what are the four stages of asthma…

Read More