A recent study published in The Laryngoscope has revealed a concerning link between climate change and worsening allergy symptoms, particularly hay fever. Diagnoses of hay fever are increasing by 2-3% annually in industrialized nations, costing billions. The onset of pollen season is occurring 20 days earlier in North America, correlating with rising temperatures. The researchers conducted a scoping review of literature from 2000 to 2023, finding that this phenomenon has been consistent since the early 2000s. With only 30 studies meeting their rigorous criteria, the authors emphasize the importance of understanding climatological impacts on allergies.
If you suffer from hay fever—or allergic rhinitis (AR)—and have found your symptoms growing worse in recent years, you’re not alone.
Spring pollen season, which typically begins in late February or early March, is now arriving as much as 20 days early in North America.
The study has found that not only is it a real phenomenon, it’s been going on at least since the turn of the millennium.
Only 30 met these exacting standards. We were very specific in our inclusion and exclusion criteria.
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