Asthma and Life-style: Four Common Risk Factors 
Asthma is a condition that causes an increase in the size of the airlines of the lungs, and consequently, it expands up.
Asthma is a condition that causes an increase in the size of the airlines of the lungs, and consequently, it expands up.
The most frustrating thing about asthma is it could occur to anyone, including children as well as adults.