IGHE and allergic asthma: Limited data from the United Kingdom and Finlandindicate that the prevalence of IgE-mediated allergic asthma has continued toincrease over the past few decades, whereas that of nonYIgE-mediated asthma has not.This may indicate that the proportions of IgE-mediated and nonYIgE-mediated asthmawithin the overall asthma burden are also changing, which may additionally explainthe finding that asthma has become milder.