Microbes produce the "happiness hormone" in the gut - study

Serotonin received the title of "happiness hormone" for a reason. This substance determines the person's mood, the degree of pleasure and satisfaction from life. American scientists found that serotonin is formed not only in the brain but in the gut by microflora.

These were installed in the experiment on laboratory rats. Scientists have noticed a relationship between the intestinal flora of animals and the level of serotonin in the blood.

With the weakening of the microflora in rodents was determined by 60% reduced level of serotonin than in animals from the control group with normal bacterial composition of the intestines.

About 20 groups of bacteria influence the production of the "happiness hormone", say scientists. The study proves once again the existence in living organisms layered and seemingly non-obvious relationships.

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