Defecation regenerates the brain capacity of guinea pigs

Defecation regenerates the brain capacity of guinea pigs
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Studies in mice show that microbiome is important for a healthy brain in old age

In 1895, on his 50th birthday, Eli Metnikov became increasingly concerned about old age.

As a result, the Nobel Prize-winning Russian scientist and co-founder of immunology shifted his focus from immunology to gerontology — the term.

He was fascinated by the role of intestinal bacteria in health and disease – suggesting that people in Eastern Europe lived longer by consuming various fermented foods containing lactic acid bacteria.

Although popular at the time, this theory of linking intestinal microbiota to healthy aging was ignored by scientists until relatively recently.

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