Another reason to be nice to your soil microbes

rcnaylor(z7 Tex)May 25, 2010

Can Bacteria Make You Smarter?

ScienceDaily (May 25, 2010) Â Exposure to specific bacteria in the environment, already believed to have antidepressant qualities, could increase learning behavior, according to research presented at the 110th General Meeting of the American Society for Microbiology in San Diego.

"Mycobacterium vaccae is a natural soil bacterium which people likely ingest or breath in when they spend time in nature," says Dorothy Matthews of The Sage Colleges in Troy, New York, who conducted the research with her colleague Susan Jenks.

Previous research studies on M. vaccae showed that heat-killed bacteria injected into mice stimulated growth of some neurons in the brain that resulted in increased levels of serotonin and decreased anxiety.

"Since serotonin plays a role in learning we wondered if live M. vaccae could improve learning in mice," says Matthews.

Matthews and Jenks fed live bacteria to mice and assessed their ability to navigate a maze compared to control mice that were not fed the bacteria.

"We found that mice that were fed live M. vaccae navigated the maze twice as fast and with less demonstrated anxiety behaviors as control mice," says Matthews.

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solc

Interesting stuff. Always nice to hear good things about going organic.

    Bookmark   May 25, 2010 at 10:19PM
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john_in_sc

Very interesting...

I do believe that having healthy soil microbes is more important to people than we may think...

This may be an interesting observation pointing towards why Vitamin D-supplements don't work to improve Mood and health as well as being outside.... Pure speculation -- but interesting to think about at least....

One thing I noticed on myself is that walking around barefoot out in a healthy yard basically eliminates athlete's foot...

Strange... but it has worked for me many times...

Thanks

    Bookmark   June 7, 2010 at 11:25AM
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