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New Science On Gut Bacteria And Allergies08:41
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In this July 26, 2012 file photo, U.S. swimmer Shannon Vreeland uses an inhaler during a practice session at the Aquatics Center at Olympic Park ahead of the 2012 Summer Olympics, in London. (Lee Jin-man/AP)
In this July 26, 2012 file photo, U.S. swimmer Shannon Vreeland uses an inhaler during a practice session at the Aquatics Center at Olympic Park ahead of the 2012 Summer Olympics, in London. (Lee Jin-man/AP)
This article is more than 5 years old.

Are kids too clean today? One of the big new fronts in medical research is the study of the microbiome, and how the galaxy of germs in our bodies keep us healthy.  More and more research shows that infants who are exposed to germs have fewer allergies.

Dr. Christine Cole Johnson, public health researcher with the Henry Ford Health System and co-author of a new study linking infant microbiomes with chronic ailments like asthma, joins us to discuss the new report.

This segment aired on October 18, 2016.

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