| http://www.w3.org/ns/prov#value | - Here???s what you should know about seasonal allergies ??? what causes them and how you might avoid them this season. ???Allergies are an abnormal reaction by a person's immune system to a normally harmless substance,??? explains Pamela A. Georgeson, DO, an osteopathic allergist from Chesterfield Township, Michigan. ???People can be allergic to all types of things, including pollens from trees, gr
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