Ragweed and mold are particularly difficult allergens to deal with during the fall season. Dr. Carah Santos, pediatric allergist/immunologist at National Jewish Health in Denver, explains that staying indoors can help among other tips. More information on ragweed allergy season: www.nationaljewish.org/conditions/allergy/overview/allergens/pollen/ragweed-season Learn more about Dr. Santos: www.nationaljewish.org/doctors-departments/providers/physicians/carah-b-santos