Health and Medical News and Resources

General interest items edited by Janice Flahiff

[News release] An International Team of Researchers Discover Strong Association Between Lifestyles of Indigenous Communities and Gut Microbial Ecologies

From the 25 March 2015 University of Oklahoma news release

…the team presents an in-depth analysis of the gut microbiome of the Matses, an Amazonian hunter-gatherer community, which is compared with that of the village of Tunapunco, who are highland small-scale farmers, as well as with urban city-dwellers in Norman, Okla.

In comparing the three groups to previously published studies in Africa and South America, the team observed a striking trend.  Human gut microbiota cluster together based on subsistence strategy more than geographic proximity.  Thus, hunter-gatherers in South America and Africa are more similar to each other than either are to rural agriculturalists or to urban-industrialists, even from neighboring populations.

It is now well accepted that human gut microbiomes are actively involved in health and that changes in our gut microbes from living more sanitized, industrialized lifestyles, has led to susceptibility to certain autoimmune disorders like asthma and allergies.

Also, it has become clear that industrialization has led to a decrease in gut microbiome diversity.  Moreover, in the gut of industrialized peoples, one particular bacteria genus is conspicuously absent, Treponema.  These bacteria have co-existed with humans and other primates for millions of years, so their absence in industrialized people is disconcerting.

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March 27, 2015 - Posted by | Medical and Health Research News | , , , , , , , ,

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