Gut: The Second Brain?
In March
2011 scientist examined the performance of germ-free mice, who
lack gut bacteria, on a kind of maze used to test anxiety-like
behaviors.
The maze was
in the shape of a plus sign with two open and two closed arms;
normally, mice will avoid open spaces to minimize the risk of being
seen by predators.
Normal mice, as
expected, spent far more time in the closed arms when placed in the
maze.
The germ-free
mice, however, entered the open arms far more often, spending
significantly more time there than in the closed arms.
According to the
study in Neurogastroenterology & Motility, when they examined the
animals' brains, they found that:
"these differences in behavior were accompanied by
alterations in the expression levels of several genes in the germ-free
mice. ... Bacteria colonize the gut in the days following birth, during
a sensitive period of brain development, and apparently influence
behavior by inducing changes in the expression of certain genes."
Our
Source: Click
Could B complex
vitamins and Bacteria help regulate our "second brain?" Maybe
so...
Be sure to tune
in next week to find out what we think and recommend!
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