What is Asthma? Asthma is a condition in which your airways narrow and swell and may produce extra mucus. This can make breathing difficult and trigger coughing, a whistling sound (wheezing) when you breathe out and shortness of breath. For some people, asthma is a minor nuisance. For others, it can be a major problem that interferes with daily activities and may lead to a life-threatening asthma attack. Asthma triggers Airborne allergens, such as pollen, dust mites, mould spores, pet dander or particles of cockroach waste. Respiratory infections, such as the common cold. Physical activity. Cold air. Air pollutants and irritants, such as smoke.   How cockroaches can … Continue reading Cockroaches, the biggest cause of Asthma