Gut microbes associated with temperament traits in children

There’s no end to the toxicity of medical assaults against babies.  Needless cesarians, isolation, infant formula, bottle feeding, vaccines and the resultant need for antibiotics all impact the gut microbiome.   There’s little doubt that circumcision is also implicated via the stress-microbiome connection.    https://www.sciencedirect.com/science/article/pii/S2352289516300509

Scientists in the FinnBrain research project of the University of Turku discovered that the gut microbes of a 2.5-month-old infant are associated with the temperament traits manifested at six months of age. Temperament describes individual differences in expressing and regulating emotions in infants, and the study provides new information on the association between behaviour and microbes. A corresponding study has never been conducted on infants so young or on the same scale.

Rodent studies have revealed that the composition of gut microbiota and its remodelling is connected to behaviour. In humans, gut microbes can be associated with different diseases such as Parkinson’s disease, depression and , but little research has been conducted on infants.

Doctoral Candidate, Doctor Anna Aatsinki from the FinnBrain research project at the University of Turku, Finland, discovered in her study on 303 infants that different temperament traits are connected with individual microbe genera,  and different microbe clusters.

“It was interesting that, for example, the Bifidobacterium genus including several  was associated with higher positive emotions in . Positive emotionality is the tendency to experience and express happiness and delight, and it can also be a sign of an extrovert personality later in life,” says Aatsinki.

Temperament Can Predict Later Development

One of the findings was that greater diversity in gut bacteria is connected to lesser negative emotionality and fear reactivity. The study also considered other factors that significantly affect the diversity of the microbiota, such as the delivery method and breastfeeding.

The findings are interesting as strong fear reaction and negative emotionality can be connected to depression risk later in life. However, the association with later diseases is not straightforward and they are also dependent on the environment….

https://medicalxpress.com/news/2019-06-gut-microbes-temperament-traits-children.html

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