STLtoday.com |
Some allergy and asthma triggers, expected and unexpected
STLtoday.com This April 22, 2013 photo shows Maple trees which release a lot of wind-borne pollen while mold is produced by leaves littering the ground, In Langley, Wash. Allergies are caused by pollen from plants, trees, grasses, weeds and mold spores. (AP Photo … Experts: Brace for severe allergy season |
View full post on asthma – Google News