[header] How to exercise with asthma [title] Walk. [step] Walking is a great exercise for a large variety of people-including those with asthma. It's a low intensity activity that keeps your heart rate lower and doesn't cause deep or labored breathing. 
[substeps] One study in particular showed that adults who walked three times a week showed improved fitness levels and had better control over their asthma after 12 weeks. Health and asthma professionals recommend doing a moderate to brisk walk a few times per week.