Asthma | Asthma Symptoms and Treatment | Allergy UK

What is Asthma? Asthma is a common and long term lung condition that requires ongoing management. Asthma causes sensitivity to the airways, which can become inflamed and narrow on exposure to certain triggers, leading to difficulty in breathing. The symptoms of Asthma commonly starts in childhood but it is possible to develop asthma at any age.

https://www.allergyuk.org/information-and-advice/conditions-and-symptoms/12-asthma-and-respiratory-allergy