The study found that while birch pollen seasons are becoming ... Aeroallergens: Allergens that are airborne, such as pollen, which can trigger allergic reactions when inhaled.

Birch pollen allergy is one of the most common allergies in Europe and affects around 450,000 people in Austria alone. It considerably impairs the quality of life and can lead to chronic diseases ...

Unlike the heavy, sticky pollen of flowering plants like roses-which are pollinated by insects-allergy-triggering pollen is small, light and airborne, making it able to travel long distances ...