Soaring rates of allergies among children in recent decades have researchers puzzled. One theory says we're too clean, so kids' immune systems never learn how to deal with foreign invaders - even the harmless ones. Researchers now hope they'll
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Read the complete post at http://www.npr.org/blogs/health/2012/06/11/154593662/to-sniff-out-childhood-allergies-researchers-head-to-the-farm?ft=1&f=103537970
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Jun 11 2012, 01:31 AM
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Shots - Health Blog