" Spring is near and for 35 million Americans, that means seasonal allergies. When pollen from trees and plants enters the air, and then enters a person who is allergic, the immune system attacks it with an immune response. This response triggers the symptoms of runny nose, sneezing, and itchy/watery eyes. High pollen counts can mean those with allergies are more likely to suffer. If you feel you may have allergies, visit your doctor. Your ...