Yes! I use maths to model the changes in the airways that occur over time in people with severe asthma. For these people, each time they have an asthma attack their airways gradually thicken therefore giving less space to breathe through! This means that they might struggle to catch their breath just walking up a set of stairs. Finding out why this is happening could help us find a way to help them (since unlike most asthmatics, inhalers don’t help them).