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The groundbreaking science behind the surprising source of good health
Stanford University's Justin and Erica Sonnenburg are pioneers in the most exciting and potentially transformative field of human health and wellness, the study of the relationship between our bodies and the trillions of organisms representing thousands of species to which our bodies play host, the microbes we call the microbiota. The Sonnenburgs argue that the microbiota determines in no small part whether we're sick or healthy, fit or obese, sunny or moody--and that the microbiota has always been with us, coevolving with humans and entwining its functions with ours. They show us that humans are really composite organisms with microbial and human parts. But now, because of changes to diet, antibiotic over-use, and over-sterilization, our gut microbiota is facing a "mass extinction event," which may explain the mysterious spike in some of our most troubling modern afflictions, from food allergies to autism, cancer to depression. It doesn't have to be this way.You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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