Science

Asthma affects the airways (bronchi) in your lungs. Three main things happen in your airways when you have asthma: ... Examples of asthma triggers include: smoking, lung infections/colds, allergies (such as animals, dust mites, pollens and moulds), strong odours, air pollution, exercise, high humidity, stress and cold air. Not everyone with asthma has the same triggers; It is important to know ... ................
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