Pollen allergies are caused by airborne pollens, which are in the form of a very fine powder released by trees, grass, and weeds as they pollinate and fertilize other plants of the same kind. Depending on where you live, your sensitivity may vary dramatically.
FRIDAY, Aug. 15, 2025 (HealthDay News) — Some kids are helped by exposure therapy to food allergens like peanuts, with their allergies gradually diminishing as they eat small amounts of their food nemesis.
For others, such treatment – also called oral immunotherapy — causes severe allergic reactions.