Susan Lynch is an associate professor of medicine and director of the Colitis and Crohn’s Disease Microbiome Research Core at the University of California, San Francisco in San Francisco, California.
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29:40
Why Are Allergies So Dang Hard To Get Rid Of?
A look at why our immune systems turn on us, and why we’re still powerless to stop the attack.
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Microbes Benefit More Than Just the Gut
Sinuses, too, are healthier when populated by a diverse colony of bugs.