Study Shows that Gut Bacteria Changes Your Mood and Behavior
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By: Dave Asprey
In a recent study, scientists made the connection between specific strains in the gut bacteria of rats, and their mood and behavior.[1]
Rats were split into two groups — one group got to chill in a relaxed environment, and the others were grouped with aggressive rats to rile them up. Within the high conflict group, rats were categorized as resilient or vulnerable, depending on how quickly they backed down to the aggressive rats. After a few days of frequent conflicts, researchers analyzed the gut bacteria profile of fecal samples of both groups.
Researchers found that vulnerable rats had more Actinobacterium, Bacillus, and Clostridium strains and less Bacteroidetes than the rats who experienced zero conflict. The microbiome of resilient rats, who displayed confidence in the face of adversity, more closely resembled that of relaxed rats.
The research team took it a step further and tested whether or not transplanting the bacteria of high-conflict rats into relaxed rats changed their behavior. They found that relaxed rats who received transplants from vulnerable rats started to show behavioral signs of depression.
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Although this was a rat study, it gives a larger picture of how gut bacteria influence your mood and behavior. It’s not the first study of its kind — the body of knowledge around the gut-brain connection is expanding every day. You can read about how your gut bacteria control your mind here, and here’s an article about the connection between gut bacteria, stress, and mood.
One of the best things you can do for your physical and mental health is to fix leaky gut, a condition where certain overgrowths lead to weak spots in intestinal walls, and to encourage a diversified gut microbiome. Here’s how to get started.
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About Dave Asprey
Dave Asprey is founder & CEO of Bulletproof, and creator of the widely-popular Bulletproof Coffee. He is a two-time New York Times bestselling author, host of the Webby award-winning podcast Bulletproof Radio, and has been featured on the Today show, Fox News, Nightline, Dr. Oz, and many more.
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Study Shows that Gut Bacteria Changes Your Mood and Behavior
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