Misbehaving toddlers? It could begin in the gut!

Natural Health News – The next time your child acts adventure, shy, anxious or mimosa, the trigger may be the specific type of bacteria in your gut.

Researchers at Ohio State University studied microbes in the gastrointestinal tracts of children between the ages of 18 and 27 months, and found that the abundance and diversity of certain bacterial species appear to affect behavior, especially among children .


The correlation even after taking into account breastfeeding, diet and method of delivery -. all of which are known to influence the type of microbes that inhabit the intestine of a child

Researchers say they were not looking for a way to help parents modify the “terrible twos”, but for clues on how – and where -. chronic diseases such as obesity, asthma, allergies and intestinal disease onset What you need to know

US scientists examined the relationship between gut bacteria and behavior in young children.

In children, in particular, the abundance of certain bacteria correlated with the outgoing and self-confident behavior.

In girls an abundance of some of the same types of bacteria produce a more fearful behavior.

Researchers as uncertain why there is a difference between boys and girls.

“There is substantial evidence that the intestinal bacteria interact with stress hormones – the same hormones that have been implicated in chronic diseases such as obesity and asthma,” said Lisa Christian, PhD, a researcher with the State Institute of Ohio for Behavioral Medicine Research. “The temperament of a child gives us a good idea of ​​how they react to stress. This information, combined with an analysis of their gut microbiome ultimately could help identify opportunities to prevent chronic health problems before.”

Research has shown that in adults low diversity of intestinal bacteria is linked to obesity and heart disease .

Linking intestine and brain

Christian and coauthor of the study, microbiologist Michael Bailey, PhD, studied stool samples from 77 children, compared with questionnaires given to parents on behavior, and found that children with genetically diverse types most common intestinal bacteria exhibited behaviors related to positive mood, curiosity, sociability and impulsivity.

In children only, it was found that the characteristics of outgoing and confident personality associated with the abundance of microbes Rikenellaceae and Ruminococcaceae families.

Generally, temperament associations with intestinal microbiome in girls were less and less consistent than men. However, in girls, behaviors such as self-control, cuddliness and focused attention were associated with a lower diversity of intestinal bacteria, while girls with a lot of Rikenellaceae seemed to experience scarier than girls with a more balanced range of microbes.

A wide range of “normal”

The gastrointestinal tract contains on average 400-500 different bacterial species. While scientists believe that the microbiome is generally established by the age of two years, there are dramatic changes in gut microbes that occur during and after childbirth, because babies pick up bacteria from their mothers during birth and during the lactation.

In this study, associations between temperament and intestinal microbiome not due to differences in diets or delivery method, but researchers admit that not delve too deeply into specific diets and a different picture could emerge with a further evaluation.

Researchers recommend that parents should not try to change your child’s intestinal microbiome yet. Scientists still do not know what a healthy combination looks like, or what might influence its development.

“The bacterial community in the stomach will be different from yours -. But both are healthy The perfect microbiome likely vary from person to person,” said Dr. Bailey.

The research is published in the journal Brain, Behavior and Immunity, .

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