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, April 11, 2025 (HealthDay News) -- Spring is officially here, and with it comes watery eyes, stuffy noses and constant sneezing for people with seasonal allergies.
And climate change means things are only going to get worse for allergy sufferers, a new evidence review suggests.