Hay fever tightens its grip.
The nature of hay fever is changing, with the season lasting longer and people in their middle years being affected for the first time.
Wallis
Lynne
L
D002986:Clinical Trials as Topic; D003710:Demography; D006801:Humans; D008875:Middle Aged; D015995:Prevalence; D006255:Rhinitis, Allergic, Seasonal / Q000453:epidemiology* / Q000628:therapy; D006113:United Kingdom / Q000453:epidemiology