Challenges in allergy immunology practice

As our knowledge base continues to increase, many of the diseases we see and treat seem to have become more complex. This may come from a variety of factors, including better technology, better research, and better diagnostic techniques, among other factors. Not that long ago, asthma was classified more simply as either "intrinsic" or "extrinsic," and rhinitis was either "allergic" or "nonallergic." Now, with the vast improvements we enjoy in the practice of medicine, we have phenotypes and endotypes; we have biomarkers, treatment guidelines, practice parame-->ters, and more.

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