It's Spring. Here's Why We Get Allergies .

Pollen

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It's spring, so here's why we get allergies.

To learn more...

"Germs Are Us. Bacteria Make Us Sick. Do They Also Keep Us Alive?"

Michael Specter

http://paxonbothhouses.blogspot.com/2013/08/germs-are-us-bacteria-make-us-sick-do.html