Can Bacteria Talk to Your Brain?

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Information about Can Bacteria Talk to Your Brain?

Published on March 4, 2016

Author: GregCruikshank


1. ertii BERI 7a'Z5é7i>’a¢m H BRAIN? ;, « y . ‘ _ 7UUii ltltliflliii AND MENTAL HTALTH - ‘ Our brain and our digestive system are intricately linked. So closely linked, in fact, that some experts say it should be viewed as one system, with the gut often being referred to by scientists as "the ' I « second brain". ... and the contents of this second brain can profoundly affect our first! THE 6UT—liliA| N AXIS Bacteria in our digestive systems may help mold brain structure as we're growing up, and possibly influence our moods, behavior and feelings when we're adults. The ability of our gut to bidirectionally communicate with the brain, known as the gut—brain axis, is at the forefront of current research. up to In just one person's body, microbes are estimated to weigh two to six pounds. .. THATS UP TO TWICE THE WEIGHT OF THE AVERAGE 0 HUMAN BRA| N! of the population has functional bowel problems at some point. percent of the fibers _‘ in the primary visceral I nerve, the vagus, carry information from the gut to the brain and not the other way around. 100 llillllllll . ... ... ... ... . body contains trillions of microbes, collectively called the microbiome. VABUS Nililli The vagus nerve is believed to be a direct neuronal connection between the gut and the brain. When researchers in Ireland cut the vagus nerve in mice, they no longer saw the brain respond to changes in the gut! THE RIGHT STUFF The "right" gut bacteria interact on a hormonal level, helping to turn off the cortisol and adrenaline response that can cause | ong—term harm to the body. GOOD BACTERIA THERE ARE THOUGHT TO BE {HAN T31“ cE| _|_3 BAD BACTERIA. .. | N An imbalance of beneficial versus harmful gut bacteria, which is known as "dysbiosis”, has been linked to a number psychological disorders. .. ; “.: .:“. L:: :%3:i: .?. “:: : DID YOU KNOW THAT. .. INCREASINGLY PROVEN TO INFLUENCE THE RISK or PSYCHIATRIC AND 1 0F 01"? IMMUNE SYSTEM I3 NEUROLOGICAL DISORDERS SUCH AS. .. Aumfl . AN)(| [T7 AND KILLFOREIBNEVADERS! DEPRESSION - iiiiiii S & MAY EVEN PLAY A ROLE IN NEURODEGENERATIVE DISEASES AlZHill1iB’i rro Q l°AiiK| NSON’S DISEASE Ki - found changes in both brain chemistry and behavior. One experiment involved replacing the gut bacteria of anxious mice with bacteria from fearless mice and found that the mice became less anxious and more sociable. A RECENT AMMAL sruoy si-| owEo It also works the other way, with bold mice becoming & timid when they got the microbes of anxious ones and D "A; Elam“ 1-. cm‘; aggressive mice calming down when the scientists O 1]; mgpggmu at an altered their microbes by changing their diet, feeding I Imnmilm them probiotics or dosing them with antibiotics. .. By the time you are 3YRS old your gut microbiota stabilises, and its evolution iHi | l1l1UNiS7iiii1 mcrzusrs III THE sur INTERACT WITH THE IMMUNE svsmi. nus III 3d""l‘°°’-‘- rumr cnmrumcnrrs WITH THE BRAIN. SETTING up A CHANNEL or COMMUNICATION errwrrrr rm: GUT AND THE BRAIN. Gut microbiome communicates with [U M U the brain through molecules that are produced by gut bacteria and then enter the bloodstream. These molecules are strong enough to change the behavior of mice. . - . ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... .. -. .' '. rnrrmnosrnrm . _ . , . . . . . - : : I . . . rn£s: n£I£Imm: u0o0srn: AIwnicu11nI00£s1n_ -wig I‘: - 9 : , . v : ’. o RESEARCH HAS SHOWN THAT PEOPLE SUFFERING FROM GASTROIHTESTIHAL DISORDERS ARE MORE SUSCEPTABLE TO ANXIETY-RELATED DISORDERS SUCH AS PTST A person's stomach or intestiral distress can be the cause or the product of anxiety, stress, 0' depression. That's because the brain and the gastrointestinal (GI) system are intimately connected — so intimately that they should be viewed as one system. Anthony L Komaroff Editor in Chief. Harvard Health Letter HiALiil7 wr. imiir rim THE ROLE OF PROBIOTICS 8: PREBIOTICS Probiotics are often called "good' or 'helpful'' bacteria because they help keep your gut healthy. Probiotics are naturally found in your body. You can also find them in some foods and supplements. Prebiotics are substances that induce the growth or activity of microorganisms (e. g. bacteria and fungi) that contribute to a individuals well-being. .. The gut is a terrific place to start helping humans be as healthy, resilient, and robust in mind and body! RAW OIIISI Probiotic "‘ r_s__rmisui Prebiotic wvvvv. labroots. com


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