It is a sunny day and you decide to take your child to the playground. The kids are having fun on the swings or just running around the park. Some of the kids are playing with the birds that are flocking around the bread that they are feeding the birds. Everyone is having lots of fun and then you go home. Everybody is happy including the well fed birds. You are happy, your child did not have an allergy or asthma episode while in the park from the trees and grasses. Read On...