The causes of asthma are not completely understood. It isn’t always an allergic condition, but for many sufferers it does seem to be triggered by breathing in tiny particles from things like house dust mites, pollen grains and mould spores which cause an allergic reaction or irritate the airways.
Find out which allergies are the most common in your class.
Investigate what we know about allergies, and what we don’t know.
And try hunting down some live house dust mites!
Created for: GSKLaunch resource