Asthma

Asthma is a chronic disease involving the airways in the lungs. It is a long term inflammatory disease of the airways of the lungs. Symptoms include wheezing, coughing, chest tightness, shortness of breath. If a patient has asthma, the airways are

inflamed. They even become more swollen and the muscle around the airways can tighten when something trigger your symptom. Some of the symptom are closely related to physical activities. People with asthma have allergies which is called allergic asthma. Childhood asthma, 80% of the children develop asthma before the age of five. Occupational asthma is caused by inhaling flames, gases, dust or other harmful substance while on the job. Asthma symptoms can appear at anytime. Asthma is caused by combination of genetic and enviromental factors. Environmental factor include exposure to air pollutant and allergens. Asthma has no cure, but symptoms can be prevented by avoiding triggers, such as allergens and irritants.