Normally, the immune system would only react if a harmful substance, such as bacteria, attacks the body. For people with allergies, their immune systems are working too hard and react even when relatively harmless substances, such as pollen, are present.
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.
