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Allergies are an annual nuisance for many, but some years seem significantly worse than others. If you’ve found yourself reaching for tissues and antihistamines more often this year, you’re not alone. Several factors can contribute to the intensity and frequency of allergic reactions. This comprehensive guide explores ten reasons why your allergies might be worse this year, incorporating the most recent research and expert opinions.
1. Climate Change
Climate change is a significant driver of worsening allergies. Rising global temperatures and increased levels of carbon dioxide contribute to longer and more intense pollen seasons. Warmer weather allows plants to bloom earlier and produce more pollen, extending the allergy season. Additionally, higher carbon dioxide levels can increase pollen production and potency, leading to more severe allergic reactions.
Recent studies have shown that the pollen season in North America has increased by about 20 days in the last 30 years, with pollen concentrations increasing by 21% over the same period. This trend is expected to continue, making allergies progressively worse in the coming years.
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