The NIH's treatment guidelines for asthma classify asthma by severity, with severe persistent asthma being the most severe type and mild intermittent being the mildest type of asthma.
Now, new research suggests that severe asthma may be an entirely different kind of asthma from the milder forms. The Severe Asthma Research Program (SARP for short) was founded to explore why people with severe asthma tend not to respond as well to treatment.
SARP is a long-term project that has collected data...
