microbiome   2012

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Immigrants arrive with flourishing gut microbes. Then America’s diet trashes them. - The Washington Post
In the United States, immigrants in the study ate foods richer in sugars, fats and protein. Microbiomes changed within months of moving. “People began to lose their native microbes almost immediately after arriving in the U.S.," Knights said. “The loss of diversity was quite pronounced: Just coming to the USA, just living in the USA, was associated with a loss of about 15 percent of microbiome diversity.”

Obesity rates among many of the study immigrants increased sixfold. Those who became obese also lost an additional 10 percent of their diversity. “And the children of immigrants,” Knights said, “had yet again another 5 to 10 percent loss.”
microbiome  health  obesity  immigration 
3 days ago by craniac
Gut bacteria recover from antibiotics, but they may take six months
After a course of broad-spectrum antibiotics, 12 men were able to recover to a mostly normal microbiome level within six months. Nine species of gut dwellers, though, never reappeared; instead, there were some undesirable species of bacteria that managed to take hold.
science  medicine  antibiotics  microbiome 
14 days ago by emkay

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