Asthma is a disease of diffuse airway inflammation caused by a variety of triggers. Some triggers include genetics, environmental triggers, immune dysfunction and exercise induced. Symptoms are primary difficulty breathing.

Causes:

Genetic, environmental chemicals and or allergens, exercise induced, immune related

 

Signs and symptoms;

Wheezing, difficulty breathing, chest tightness, coughing

Diagnosis: Pulmonary function tests, x-rays