Expert: Climate change or changing weather, more allergic kids

Dr. Brian Rotskoff, a Chicago allergist at the Clarity Allergy Center, said genetic factors play a role in pediatric allergies, but there is growing evidence the environment also shapes children's development of pediatric allergic disease, which includes allergic rhinitis, or hay fever; childhood nasal allergies; asthma; and even eczema, or atopic dermatitis.