This seems to be more a philosophical treatise than a medical text, so if you're looking for straightforward advice on asthma or the latest research on what causes asthma, you may be disappointed. The argument the authors make isn't entirely in line with the dominant medical thinking on asthma, and the article itself is as much about semantics as it is about science. I personally found it provocative and interesting, but then one of my favorite books is S.I. Hayakawa's "Language in Thought and Action," in which, to the question "What difference does it make what you call something?" the author responds, "All the difference in the world."