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Do I have a stomach ache because I’m anxious or, conversely, I’m anxious because something is wrong with my stomach? This question, which until a few years ago would have seemed absurd, is today the subject of scientific and medical research of the highest level. Depression, stress, hypersensitivity, burn-out, bulimia, anorexia, Alzheimer’s, Parkinson’s … all these diseases originate, at least in part, in our intestine, conferring the power to “eat better” a new dimension.
“Avoid processed foods”
“Your gut bacteria will affect your behavior”, explains Professor Gabriel Perlemuter, head of the department of hepato-gastroenterology and nutrition at the Antoine-Béclère hospital in Clamart (AP-HP) and author of the book What if the solution came from our bacteria? (Flammarion). “For example, if we give a mouse a Western-style diet, that is, too sweet and too fat, we will depress it, modifying its intestinal bacteria and the permeability of its intestine. Human, to stay healthy in the long term, it is necessary to favor the vegetables, some fruits and avoid processed foods “, continues the specialist.
“Gut bacteria are also involved in our addictive behavior”, adds Gabriel Perlemuter. “People who have addiction problems are often quite sensitive people, who calm their anxiety by drinking alcohol or smoking, for example. However, we found that these users had too much gut porosity and an imbalance in their gut bacteria. Therefore, by modulating their bacteria, we can limit their addictive behavior, especially with fiber and probiotics “, details the Professor (to learn more, click on the video below).
“The intermediary of the blood system”
European work has also just confirmed a correlation between an imbalance in the gut microbiota and the development in the brain of amyloid plaques, responsible for the onset of Alzheimer’s disease. “With PET imaging, we measured their amyloid deposition, then quantified the presence in the blood of various inflammation markers and proteins produced by gut bacteria,” Study director Moira Marizzoni reported on the participants, published November 10 in the Journal of Alzheimer’s Disease. “Our findings are clear: some bacterial products of the gut microbiota correlate with the amount of amyloid plaques in the brain, via the blood system, which carries certain proteins from bacteria to the brain,” concludes the expert.
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