Asthma is one disease of the respiratory system. Asthma is a chronic inflamation of the lung airways that causes coughing, wheezing, chest tightness, or shortness of breath. Symptoms can escalate when a person with asthma is exposed to their triggers, which may include the following:
- tobacco smoke
- air pollution
- factory fumes
- cleaning solvents
- pollens
- foods
- cold air
- exercise
- chemicals
- medications
