Butterflies in the belly when you are in love!
Or knots in the stomach when having to pass an exam. Seems like the brain and the gut are connected – at least metaphorically. But over the last few years, more and more studies show that what happens in the brain physiologically (including diseases like Alzheimer's or Parkinson's) could be linked to the community of millions of bacteria living in the gut, called the microbiome.
New research published in Nature indicates that, in mice, the gut might also do its part for good in protecting the brain by training the immune system. Mens sana in corpore sano - more true than ever.
---Olivier Dessibourg
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