{"id":1253,"date":"2025-10-06T14:28:48","date_gmt":"2025-10-06T12:28:48","guid":{"rendered":"https:\/\/www.moodbites.eu\/lesson\/5-gut-microbiome-and-mental-health\/"},"modified":"2026-01-16T09:32:31","modified_gmt":"2026-01-16T08:32:31","slug":"5-gut-microbiome-and-mental-health","status":"publish","type":"lesson","link":"https:\/\/www.moodbites.eu\/pt-pt\/lesson\/5-gut-microbiome-and-mental-health\/","title":{"rendered":"5. Microbioma intestinal e sa\u00fade mental"},"content":{"rendered":"\n<div class=\"wp-block-uagb-container uagb-block-cda2a7c5 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-d3a7669c\">\n<p>Nesta li\u00e7\u00e3o, vamos focar em como a microbiota intestinal afeta os neurotransmissores e a sa\u00fade mental. <br>Discutiremos quatro neurotransmissores principais: <\/p>\n\n\n\n<p>\u2714 Serotonina, que regula o humor e o sono. <br>\u2714 Dopamina, respons\u00e1vel pela motiva\u00e7\u00e3o e pelo prazer. <br>\u2714 GABA, que tem um efeito calmante e ajuda a controlar o stress. <br>\u2714 Glutamato, que influencia a mem\u00f3ria e a concentra\u00e7\u00e3o. <\/p>\n\n\n\n<p>Al\u00e9m disso, examinaremos quatro transtornos de sa\u00fade mental nos quais o papel do microbioma \u00e9 particularmente not\u00e1vel: esquizofrenia, depress\u00e3o, transtornos de ansiedade e autismo. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-5476b476\"><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-ast-global-color-0-color has-text-color\" style=\"font-size:28px\"><strong><em>Sabia que o seu intestino e o seu c\u00e9rebro est\u00e3o ligados e comunicam constantemente entre si?<\/em> <\/strong><\/p>\n\n\n\n<p>Essa conex\u00e3o \u00e9 chamada de eixo intestino-c\u00e9rebro e funciona de v\u00e1rias maneiras: atrav\u00e9s dos nervos, do sistema imunol\u00f3gico e de subst\u00e2ncias qu\u00edmicas produzidas pelas bact\u00e9rias intestinais. Um dos componentes mais importantes desse eixo \u00e9 o nervo vago, que funciona como uma \u00abautoestrada de informa\u00e7\u00e3o\u00bb, transmitindo sinais entre o intestino e o c\u00e9rebro.  <\/p>\n\n\n\n<p>O intestino e o c\u00e9rebro tamb\u00e9m influenciam o sistema imunol\u00f3gico. As bact\u00e9rias no intestino ajudam a regular a fun\u00e7\u00e3o imunol\u00f3gica, que, por sua vez, pode afetar a atividade cerebral. Al\u00e9m disso, certos compostos qu\u00edmicos \u2014 como \u00e1cidos gordos de cadeia curta (AGCC) e neurotransmissores \u2014 s\u00e3o produzidos por micr\u00f3bios intestinais e t\u00eam um impacto direto no humor e nas fun\u00e7\u00f5es cognitivas (Mhanna et al., 2024).   <\/p>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center has-ast-global-color-1-color has-ast-global-color-5-background-color has-text-color has-background has-medium-font-size\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><strong><strong>ATIVIDADE INTERATIVA 19<\/strong><\/strong><\/p>\n\n\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-628\" class=\"h5p-iframe\" data-content-id=\"628\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"EXERC\u00cdCIO 19 - M\u00d3DULO 2\"><\/iframe><\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-eaaf612a wp-block-uagb-separator--icon\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><div class=\"wp-block-uagb-separator-element\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\"><path d=\"M381.2 150.3L524.9 171.5C536.8 173.2 546.8 181.6 550.6 193.1C554.4 204.7 551.3 217.3 542.7 225.9L438.5 328.1L463.1 474.7C465.1 486.7 460.2 498.9 450.2 506C440.3 513.1 427.2 514 416.5 508.3L288.1 439.8L159.8 508.3C149 514 135.9 513.1 126 506C116.1 498.9 111.1 486.7 113.2 474.7L137.8 328.1L33.58 225.9C24.97 217.3 21.91 204.7 25.69 193.1C29.46 181.6 39.43 173.2 51.42 171.5L195 150.3L259.4 17.97C264.7 6.954 275.9-.0391 288.1-.0391C300.4-.0391 311.6 6.954 316.9 17.97L381.2 150.3z\"><\/path><\/svg><\/div><\/div><\/div>\n<\/div>\n\n\n\n<p class=\"has-ast-global-color-0-color has-text-color\" style=\"font-size:28px\"><strong><em>Como os desequil\u00edbrios da microbiota intestinal afetam a sa\u00fade mental?<\/em> <\/strong><\/p>\n\n\n\n<p><br>Pesquisas mostram que altera\u00e7\u00f5es na composi\u00e7\u00e3o da microbiota intestinal podem contribuir para o desenvolvimento de v\u00e1rios transtornos mentais, como depress\u00e3o, ansiedade, autismo e esquizofrenia. Estudos em animais demonstraram que mudan\u00e7as na microbiota intestinal podem influenciar o comportamento e as emo\u00e7\u00f5es. Cientistas est\u00e3o agora a explorar se melhorar a composi\u00e7\u00e3o da microbiota poderia ajudar a tratar essas condi\u00e7\u00f5es (Mhanna et al., 2024).   <\/p>\n\n\n\n<p>H\u00e1 cada vez mais evid\u00eancias de que um intestino saud\u00e1vel pode contribuir para a sa\u00fade mental. Probi\u00f3ticos, prebi\u00f3ticos, transplante de microbioma fecal (FMT) e interven\u00e7\u00f5es alimentares adequadas est\u00e3o a ser testados como formas de melhorar a fun\u00e7\u00e3o cerebral. Por exemplo, estudos realizados por Kang et al. descobriram que crian\u00e7as com autismo que receberam terapia probi\u00f3tica apresentaram melhorias tanto na fun\u00e7\u00e3o intestinal quanto no comportamento \u2014 e esses efeitos duraram at\u00e9 dois anos ap\u00f3s o t\u00e9rmino do tratamento (Mhanna et al., 2024).   <\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-0cf7ee55 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-f9dd71ba\">\n<p class=\"has-ast-global-color-0-color has-text-color\" style=\"font-size:28px\"><strong><em>O que \u00e9 disbiose intestinal?<\/em> <\/strong><\/p>\n\n\n\n<p>Num corpo saud\u00e1vel, a microbiota intestinal est\u00e1 em equil\u00edbrio \u2013 um estado conhecido como eubiose. Nesta condi\u00e7\u00e3o, as bact\u00e9rias auxiliam na digest\u00e3o, protegem contra infe\u00e7\u00f5es e ajudam a regular a fun\u00e7\u00e3o imunol\u00f3gica. No entanto, quando esse equil\u00edbrio \u00e9 perturbado, ocorre uma condi\u00e7\u00e3o chamada disbiose, que significa uma composi\u00e7\u00e3o anormal da microbiota intestinal. Isso pode levar a uma variedade de problemas de sa\u00fade, incluindo:    <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aumento da permeabilidade intestinal (comumente referido como \u00abintestino perme\u00e1vel\u00bb), <\/li>\n\n\n\n<li>Inflama\u00e7\u00e3o cr\u00f3nica, <\/li>\n\n\n\n<li>Danos \u00e0 barreira hematoencef\u00e1lica, que permite que subst\u00e2ncias nocivas cheguem ao c\u00e9rebro (Mhanna et al., 2024). <\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-22e15575\">\n<p>Pesquisadores descobriram que a disbiose intestinal pode estar associada a v\u00e1rias doen\u00e7as, como diabetes, obesidade, asma e dist\u00farbios dos sistemas digestivo, cardiovascular e nervoso. Al\u00e9m disso, evid\u00eancias crescentes mostram que pessoas que sofrem de depress\u00e3o, autismo, ansiedade ou esquizofrenia tamb\u00e9m costumam apresentar problemas gastrointestinais. No entanto, ainda n\u00e3o est\u00e1 claro exatamente como as altera\u00e7\u00f5es no microbioma contribuem para o desenvolvimento dessas condi\u00e7\u00f5es (Mhanna et al., 2024).   <\/p>\n\n\n\n<p>A microbiota intestinal continua a ser um campo fascinante e ativamente estudado, que pode ajudar-nos a compreender como apoiar a sa\u00fade mental atrav\u00e9s dos cuidados com o intestino. Os cientistas enfatizam cada vez mais que a sa\u00fade intestinal desempenha um papel fundamental na fun\u00e7\u00e3o cerebral, na regula\u00e7\u00e3o do humor e no desempenho cognitivo (Puri et al., 2023).  <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8713540e\"><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-text-color\" style=\"color:#e4493e;font-size:28px\"><strong>5.1.  <strong>Como \u00e9 que o intestino e o c\u00e9rebro comunicam?<\/strong><\/strong><\/p>\n\n\n\n<p><strong>O intestino e o c\u00e9rebro comunicam-se atrav\u00e9s de v\u00e1rios mecanismos principais:<\/strong><\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-f1e1d145 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-2f8490a3\">\n<p>Nervo vago \u2013 esta \u00e9 a principal via que liga o intestino ao c\u00e9rebro. Ele transmite sinais sobre o estado do sistema digestivo e influencia o humor e as respostas emocionais. Estudos demonstraram que a estimula\u00e7\u00e3o do nervo vago pode reduzir os sintomas de depress\u00e3o e ansiedade (Puri et al., 2023). As c\u00e9lulas neuropodes, um tipo de c\u00e9lula enteroend\u00f3crina especializada, desempenham um papel fundamental na transmiss\u00e3o r\u00e1pida de sinais ao c\u00e9rebro atrav\u00e9s do glutamato. Isto permite que o corpo responda quase instantaneamente a est\u00edmulos relacionados com o intestino (Chen et al., 2021).     <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-ac39f61d\">\n<p><strong>Sistema hormonal<\/strong> \u2013 o microbioma intestinal influencia a produ\u00e7\u00e3o de hormonas como o cortisol (a hormona do stress), bem como a grelina e a leptina, que regulam a fome e a saciedade (Puri et al., 2023). Certas bact\u00e9rias intestinais tamb\u00e9m afetam os n\u00edveis de serotonina, regulando a via metab\u00f3lica do triptofano. O consumo de cepas bacterianas espec\u00edficas pode aumentar a produ\u00e7\u00e3o de serotonina, ativando a enzima triptofano hidroxilase 1 (TPH1) nas c\u00e9lulas enterocromafins (Chen et al., 2021).   <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-20e92d37\">\n<p>Sistema imunol\u00f3gico \u2013 as bact\u00e9rias intestinais modulam as respostas inflamat\u00f3rias no corpo, o que pode influenciar o desenvolvimento de doen\u00e7as neurodegenerativas e dist\u00farbios de humor (Puri et al., 2023). O microbioma intestinal pode ativar o sistema imunol\u00f3gico por meio de lipopolissacar\u00eddeos (LPS), levando ao aumento da permeabilidade da barreira hematoencef\u00e1lica e \u00e0 inflama\u00e7\u00e3o elevada no sistema nervoso central (Chen et al., 2021).  <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-c05f66c9\">\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>Produ\u00e7\u00e3o de neurotransmissores<\/strong> \u2013 as bact\u00e9rias intestinais produzem subst\u00e2ncias qu\u00edmicas essenciais para o funcionamento do c\u00e9rebro, tais como: <\/li>\n<\/ol>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Serotonina \u2013 conhecida como o \u00abhorm\u00f4nio da felicidade\u00bb, cerca de 90% dela \u00e9 produzida no intestino (Puri et al., 2023). A sua s\u00edntese pode ser estimulada por esp\u00e9cies de Clostridia atrav\u00e9s da libera\u00e7\u00e3o de metab\u00f3litos espec\u00edficos (Chen et al., 2021).  <\/li>\n<\/ol>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Dopamina \u2013 respons\u00e1vel pela motiva\u00e7\u00e3o e pela sensa\u00e7\u00e3o de recompensa (Puri et al., 2023). As bact\u00e9rias Staphylococcus podem converter o precursor L-DOPA em dopamina usando a enzima descarboxilase de amino\u00e1cidos arom\u00e1ticos (Chen et al., 2021).  <\/li>\n<\/ol>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>GABA \u2013 influencia os n\u00edveis de stress e relaxamento (Puri et al., 2023). A sua produ\u00e7\u00e3o no intestino \u00e9 apoiada por bact\u00e9rias como Bifidobacterium, Parabacteroides e Eubacterium (Chen et al., 2021).  <\/li>\n<\/ol>\n<\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>A comunica\u00e7\u00e3o deficiente entre o intestino e o c\u00e9rebro<\/strong> pode levar a problemas de concentra\u00e7\u00e3o, depress\u00e3o e at\u00e9 mesmo doen\u00e7as neurodegenerativas (Puri et al., 2023). <\/p>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center has-ast-global-color-1-color has-ast-global-color-5-background-color has-text-color has-background has-medium-font-size\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><strong><strong>ATIVIDADE INTERATIVA 20<\/strong><\/strong><\/p>\n\n\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-629\" class=\"h5p-iframe\" data-content-id=\"629\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"EXERC\u00cdCIO 20 - M\u00d3DULO 2\"><\/iframe><\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-52244dbd wp-block-uagb-separator--icon\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><div class=\"wp-block-uagb-separator-element\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\"><path d=\"M381.2 150.3L524.9 171.5C536.8 173.2 546.8 181.6 550.6 193.1C554.4 204.7 551.3 217.3 542.7 225.9L438.5 328.1L463.1 474.7C465.1 486.7 460.2 498.9 450.2 506C440.3 513.1 427.2 514 416.5 508.3L288.1 439.8L159.8 508.3C149 514 135.9 513.1 126 506C116.1 498.9 111.1 486.7 113.2 474.7L137.8 328.1L33.58 225.9C24.97 217.3 21.91 204.7 25.69 193.1C29.46 181.6 39.43 173.2 51.42 171.5L195 150.3L259.4 17.97C264.7 6.954 275.9-.0391 288.1-.0391C300.4-.0391 311.6 6.954 316.9 17.97L381.2 150.3z\"><\/path><\/svg><\/div><\/div><\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color\" style=\"color:#e4493e;font-size:28px\"><strong>5.2.  <strong><strong>A microbiota intestinal e o seu papel na fun\u00e7\u00e3o cerebral<\/strong><\/strong><\/strong><\/p>\n\n\n\n<p>O microbioma refere-se aos milhares de milh\u00f5es de bact\u00e9rias que residem nos nossos intestinos. Estes microrganismos desempenham um papel fundamental em:  <\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Produ\u00e7\u00e3o de neurotransmissores \u2013 certas bact\u00e9rias (por exemplo, Lactobacillus e Bifidobacterium) produzem serotonina, enquanto Bacillus produz dopamina. Elas n\u00e3o s\u00f3 sintetizam neurotransmissores, mas tamb\u00e9m regulam o seu transporte para o c\u00e9rebro. Um exemplo \u00e9 a triptamina, produzida por Clostridium sporogenes e Ruminococcus gnavus, que estimula a libera\u00e7\u00e3o de serotonina no intestino e afeta indiretamente o sistema nervoso (Chen et al., 2021).   <\/li>\n<\/ol>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Prote\u00e7\u00e3o contra a inflama\u00e7\u00e3o \u2013 as bact\u00e9rias ben\u00e9ficas reduzem o stress oxidativo e ajudam a combater doen\u00e7as neurodegenerativas. Em particular, os \u00e1cidos gordos de cadeia curta (AGCC), como o butirato, podem reduzir a neuroinflama\u00e7\u00e3o ao atuarem nas c\u00e9lulas microgliais e fortalecerem a barreira hematoencef\u00e1lica (Chen et al., 2021).  <\/li>\n<\/ol>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>Regula\u00e7\u00e3o do humor \u2013 desequil\u00edbrios no microbioma podem levar \u00e0 ansiedade e depress\u00e3o. Pesquisas mostram que o microbioma afeta os n\u00edveis de GABA no c\u00e9rebro. Bifidobacterium e Lactobacillus sintetizam GABA, que modula a excitabilidade neuronal e tem um efeito calmante (Chen et al., 2021).  <\/li>\n<\/ol>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>Regula\u00e7\u00e3o do stress \u2013 as bact\u00e9rias intestinais podem diminuir os n\u00edveis de cortisol, reduzindo o risco de depress\u00e3o e dist\u00farbios de ansiedade. Certas bact\u00e9rias, como a Bacteroides fragilis, desempenham um papel crucial no equil\u00edbrio da resposta do corpo ao stress, modulando os recetores GABA\u00e9rgicos no intestino (Chen et al., 2021).  <\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-d8ba5f16 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<p class=\"has-text-color\" style=\"color:#e4493e;font-size:28px\"><strong>5.3. Altera\u00e7\u00f5es do microbioma na esquizofrenia, depress\u00e3o e transtornos de ansiedade<\/strong> <\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-749d7908\"><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-2ba334c0\"><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-02c2c9f2\">\n<p>Estudos mostram que indiv\u00edduos com esquizofrenia, depress\u00e3o e transtornos de ansiedade t\u00eam uma composi\u00e7\u00e3o diferente de bact\u00e9rias intestinais em compara\u00e7\u00e3o com indiv\u00edduos saud\u00e1veis. <br>Altera\u00e7\u00f5es na microbiota intestinal podem afetar a fun\u00e7\u00e3o cerebral por meio da produ\u00e7\u00e3o de neurotransmissores, inflama\u00e7\u00e3o e integridade da barreira hematoencef\u00e1lica. Pesquisadores descobriram que certas cepas bacterianas s\u00e3o mais prevalentes em pessoas com essas condi\u00e7\u00f5es, enquanto outras s\u00e3o menos comuns.  <\/p>\n\n\n\n<p>A tabela abaixo apresenta as altera\u00e7\u00f5es mais significativas na microbiota intestinal observadas em pacientes com esquizofrenia, depress\u00e3o e transtornos de ansiedade (Mhanna et al., 2024). <\/p>\n<\/div>\n\n\n\n<p><strong>Tabela: <\/strong>Altera\u00e7\u00f5es do microbioma em perturba\u00e7\u00f5es mentais. Baseado em Mhanna et al. (2024).  <\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-ast-global-color-7-background-color has-background has-border-color has-ast-global-color-4-border-color has-fixed-layout\" style=\"border-width:2px\"><thead><tr><th> Perturba\u00e7\u00e3o <\/th><th>Aumentado <\/th><th>Diminu\u00eddo <\/th><th>Impacto na sa\u00fade mental <\/th><\/tr><\/thead><tbody><tr><td>Esquizofrenia <\/td><td><em>Enterococcus faecium, Lactobacillus fermentum, Cronobacter sakazakii, Alkaliphilus oremlandii<\/em> <\/td><td><em>Ruminococcus, Roseburia<\/em> <\/td><td>Redu\u00e7\u00e3o da produ\u00e7\u00e3o de neurotransmissores (por exemplo, GABA, serotonina), aumento da inflama\u00e7\u00e3o, maior permeabilidade da barreira hematoencef\u00e1lica <\/td><\/tr><tr><td>Depress\u00e3o <\/td><td><em>Bacteroides, Alistipes, Oscillibacter<\/em> <\/td><td><em>Faecalibacterium, Coprococcus, Bifidobacterium<\/em> <\/td><td>Aumento da produ\u00e7\u00e3o de citocinas pr\u00f3-inflamat\u00f3rias, diminui\u00e7\u00e3o dos SCFAs, n\u00edveis mais baixos de serotonina <\/td><\/tr><tr><td>Transtornos de ansiedade <\/td><td><em>Escherichia\/Shigella, Enterobacteriaceae, Bacteroides<\/em> <\/td><td><em>Prevotella, Lachnospiraceae, Ruminococcaceae<\/em> <\/td><td>Inflama\u00e7\u00e3o elevada, produ\u00e7\u00e3o reduzida de neurotransmissores calmantes (por exemplo, GABA), n\u00edveis elevados de cortisol <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>A microbiota intestinal pode ter um impacto significativo na fun\u00e7\u00e3o cerebral e no desenvolvimento de perturba\u00e7\u00f5es mentais. Em indiv\u00edduos com esquizofrenia, depress\u00e3o e perturba\u00e7\u00f5es de ansiedade, h\u00e1 uma perturba\u00e7\u00e3o no equil\u00edbrio entre as bact\u00e9rias intestinais ben\u00e9ficas e prejudiciais. Esse desequil\u00edbrio pode levar \u00e0 inflama\u00e7\u00e3o, \u00e0 produ\u00e7\u00e3o prejudicada de neurotransmissores e ao enfraquecimento da barreira hematoencef\u00e1lica. Pesquisas adicionais podem ajudar a desenvolver novos tratamentos destinados a melhorar a sa\u00fade mental atrav\u00e9s da regula\u00e7\u00e3o da microbiota intestinal.    <\/p>\n\n\n\n<p><strong>Tabela:<\/strong> O que os pacientes devem saber sobre o microbioma intestinal? <\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-ast-global-color-7-background-color has-background has-border-color has-ast-global-color-4-border-color has-fixed-layout\" style=\"border-width:2px\"><thead><tr><th>Lembre-se de informar ao seu cliente&#8230; <\/th><th>Por que \u00e9 que isso \u00e9 importante <\/th><\/tr><\/thead><tbody><tr><td>Intestino saud\u00e1vel = melhor humor e menos ansiedade. <\/td><td>A microbiota intestinal produz neurotransmissores como a serotonina e o GABA, que afetam o bem-estar emocional. <\/td><\/tr><tr><td>Evite alimentos processados e a\u00e7\u00facar em excesso. <\/td><td>Os alimentos altamente processados podem aumentar a inflama\u00e7\u00e3o intestinal e afetar negativamente o microbioma. <\/td><\/tr><tr><td>Inclua probi\u00f3ticos e prebi\u00f3ticos na dieta. <\/td><td>Probi\u00f3ticos (iogurte, kefir, vegetais fermentados) e prebi\u00f3ticos (fibra vegetal) ajudam a restaurar e nutrir as bact\u00e9rias intestinais saud\u00e1veis. <\/td><\/tr><tr><td>Tenha um sono regular e de qualidade. <\/td><td>A falta de sono perturba o equil\u00edbrio da microbiota intestinal e aumenta os n\u00edveis de stress. <\/td><\/tr><tr><td>Controle o stress cr\u00f3nico \u2013 encontre maneiras de relaxar. <\/td><td>O stress enfraquece o microbioma e aumenta o cortisol, o que pode agravar os sintomas de depress\u00e3o e ansiedade. <\/td><\/tr><tr><td>Mantenha-se fisicamente ativo. <\/td><td>A pr\u00e1tica regular de exerc\u00edcio f\u00edsico contribui para a sa\u00fade da microbiota intestinal e ajuda a regular os n\u00edveis de neurotransmissores. <\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center has-ast-global-color-1-color has-ast-global-color-5-background-color has-text-color has-background has-medium-font-size\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><strong>ATIVIDADE INTERATIVA 21<\/strong><\/p>\n\n\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-630\" class=\"h5p-iframe\" data-content-id=\"630\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"EXERC\u00cdCIO 21 -Q1(-M\u00d3DULO 2)\"><\/iframe><\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-159acdd6 wp-block-uagb-separator--icon\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><div class=\"wp-block-uagb-separator-element\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\"><path d=\"M381.2 150.3L524.9 171.5C536.8 173.2 546.8 181.6 550.6 193.1C554.4 204.7 551.3 217.3 542.7 225.9L438.5 328.1L463.1 474.7C465.1 486.7 460.2 498.9 450.2 506C440.3 513.1 427.2 514 416.5 508.3L288.1 439.8L159.8 508.3C149 514 135.9 513.1 126 506C116.1 498.9 111.1 486.7 113.2 474.7L137.8 328.1L33.58 225.9C24.97 217.3 21.91 204.7 25.69 193.1C29.46 181.6 39.43 173.2 51.42 171.5L195 150.3L259.4 17.97C264.7 6.954 275.9-.0391 288.1-.0391C300.4-.0391 311.6 6.954 316.9 17.97L381.2 150.3z\"><\/path><\/svg><\/div><\/div><\/div>\n\n\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-631\" class=\"h5p-iframe\" data-content-id=\"631\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"EXERC\u00cdCIO -21 Q2-M\u00d3DULO 2\"><\/iframe><\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-c90f9ebf wp-block-uagb-separator--icon\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><div class=\"wp-block-uagb-separator-element\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\"><path d=\"M381.2 150.3L524.9 171.5C536.8 173.2 546.8 181.6 550.6 193.1C554.4 204.7 551.3 217.3 542.7 225.9L438.5 328.1L463.1 474.7C465.1 486.7 460.2 498.9 450.2 506C440.3 513.1 427.2 514 416.5 508.3L288.1 439.8L159.8 508.3C149 514 135.9 513.1 126 506C116.1 498.9 111.1 486.7 113.2 474.7L137.8 328.1L33.58 225.9C24.97 217.3 21.91 204.7 25.69 193.1C29.46 181.6 39.43 173.2 51.42 171.5L195 150.3L259.4 17.97C264.7 6.954 275.9-.0391 288.1-.0391C300.4-.0391 311.6 6.954 316.9 17.97L381.2 150.3z\"><\/path><\/svg><\/div><\/div><\/div>\n\n\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-632\" class=\"h5p-iframe\" data-content-id=\"632\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"EXERC\u00cdCIO 21 - Q3 - M\u00d3DULO 2\"><\/iframe><\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-35a013d0 wp-block-uagb-separator--icon\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><div class=\"wp-block-uagb-separator-element\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\"><path d=\"M381.2 150.3L524.9 171.5C536.8 173.2 546.8 181.6 550.6 193.1C554.4 204.7 551.3 217.3 542.7 225.9L438.5 328.1L463.1 474.7C465.1 486.7 460.2 498.9 450.2 506C440.3 513.1 427.2 514 416.5 508.3L288.1 439.8L159.8 508.3C149 514 135.9 513.1 126 506C116.1 498.9 111.1 486.7 113.2 474.7L137.8 328.1L33.58 225.9C24.97 217.3 21.91 204.7 25.69 193.1C29.46 181.6 39.43 173.2 51.42 171.5L195 150.3L259.4 17.97C264.7 6.954 275.9-.0391 288.1-.0391C300.4-.0391 311.6 6.954 316.9 17.97L381.2 150.3z\"><\/path><\/svg><\/div><\/div><\/div>\n\n\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-633\" class=\"h5p-iframe\" data-content-id=\"633\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"EXERC\u00cdCIO 21-Q4-M\u00d3DULO 2\"><\/iframe><\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-ba4da571 wp-block-uagb-separator--icon\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><div class=\"wp-block-uagb-separator-element\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\"><path d=\"M381.2 150.3L524.9 171.5C536.8 173.2 546.8 181.6 550.6 193.1C554.4 204.7 551.3 217.3 542.7 225.9L438.5 328.1L463.1 474.7C465.1 486.7 460.2 498.9 450.2 506C440.3 513.1 427.2 514 416.5 508.3L288.1 439.8L159.8 508.3C149 514 135.9 513.1 126 506C116.1 498.9 111.1 486.7 113.2 474.7L137.8 328.1L33.58 225.9C24.97 217.3 21.91 204.7 25.69 193.1C29.46 181.6 39.43 173.2 51.42 171.5L195 150.3L259.4 17.97C264.7 6.954 275.9-.0391 288.1-.0391C300.4-.0391 311.6 6.954 316.9 17.97L381.2 150.3z\"><\/path><\/svg><\/div><\/div><\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color\" style=\"color:#e4493e;font-size:28px\"><strong>5.4.  <strong><strong><strong>Como a dieta afeta o microbioma e o c\u00e9rebro?<\/strong><\/strong><\/strong><\/strong><\/p>\n\n\n\n<p>A nossa alimenta\u00e7\u00e3o tem um grande impacto na sa\u00fade intestinal e, consequentemente, no funcionamento do c\u00e9rebro. Uma alimenta\u00e7\u00e3o saud\u00e1vel pode melhorar a mem\u00f3ria, a concentra\u00e7\u00e3o e o humor. O que comemos influencia as bact\u00e9rias presentes no nosso intestino e, por sua vez, essas bact\u00e9rias podem afetar o nosso humor e a nossa sa\u00fade mental.  <strong> <\/strong><\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-0c657298 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-4c748184\">\n<p><strong>Bom para o intestino e o c\u00e9rebro:<\/strong><br>\u2705 Fibras (vegetais, frutas, produtos integrais) \u2013 apoiam o crescimento de bact\u00e9rias ben\u00e9ficas.<br>\u2705 Probi\u00f3ticos (iogurte, kefir, alimentos fermentados) \u2013 fornecem bact\u00e9rias intestinais ben\u00e9ficas.<br>\u2705 Prebi\u00f3ticos (alho, cebola, banana) \u2013 nutrem as bact\u00e9rias probi\u00f3ticas e melhoram o microbioma intestinal.<br>\u2705 \u00c1cidos gordos \u00f3mega 3 (peixe, sementes de linha\u00e7a) \u2013 protegem os neur\u00f3nios e melhoram a mem\u00f3ria. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-f0c77fdb\">\n<p><strong>Efeitos negativos no intestino e no c\u00e9rebro (em excesso):<\/strong><br>\ud83d\udeab A\u00e7\u00facares simples e alimentos processados \u2013 perturbam o equil\u00edbrio da microbiota e podem promover inflama\u00e7\u00e3o.<br>\ud83d\udeab Gorduras trans \u2013 prejudicam a fun\u00e7\u00e3o cognitiva e aumentam o risco de depress\u00e3o.<br>\ud83d\udeab Consumo excessivo de \u00e1lcool \u2013 danifica a microbiota intestinal e afeta negativamente a mem\u00f3ria (Puri et al., 2023). <\/p>\n<\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>Um microbioma intestinal desequilibrado pode levar ao aumento da produ\u00e7\u00e3o de citocinas pr\u00f3-inflamat\u00f3rias, que afetam negativamente a fun\u00e7\u00e3o cerebral e aceleram os processos neurodegenerativos. <\/p>\n\n\n\n<p><strong>Intestino saud\u00e1vel = c\u00e9rebro saud\u00e1vel! <\/strong><br>O eixo intestino-c\u00e9rebro desempenha um papel fundamental na mem\u00f3ria, no humor e na concentra\u00e7\u00e3o, e manter um microbioma intestinal equilibrado pode ajudar a prevenir doen\u00e7as neurodegenerativas. <br>Uma dieta rica em fibras, probi\u00f3ticos e gorduras saud\u00e1veis \u00e9 a melhor forma de apoiar os sistemas digestivo e nervoso! <\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-background has-border-color has-ast-global-color-4-border-color has-fixed-layout\" style=\"background-color:#e9f3d9;border-width:2px\"><tbody><tr><td><strong>Refer\u00eancias<\/strong>  <\/td><\/tr><tr><td>Briguglio, M., Dell\u2019Osso, B., Panzica, G., Malgaroli, A., Banfi, G., Zanaboni Dina, C., Galentino, R., &amp; Porta, M. (2018). Dietary neurotransmitters: A narrative review on current knowledge. Nutrients, 10(5), 591. https:\/\/doi.org\/10.3390\/nu10050591 Mhanna, A., Martini, N., Hmaydoosh, G., Hamwi, G., Jarjanazi, M., Zaifah, G., Kazzazo, R., Haji Mohamad, A., &amp; Alshehabi, Z. (2024). The correlation between gut microbiome and both neurotransmitters and mental disorders: A narrative review. Medicine (Baltimore), 103(5), e37114. https:\/\/doi.org\/10.1097\/MD.0000000000037114 Puri, S., Shaheen, M., &amp; Grover, B. (2023). Nutrition and cognitive health: A life course approach. Frontiers in Public Health, 11, 1023907. https:\/\/doi.org\/10.3389\/fpubh.2023.1023907 World Health Organization.          (2019). Redu\u00e7\u00e3o do risco de decl\u00ednio cognitivo e dem\u00eancia: diretrizes da OMS. Genebra: Organiza\u00e7\u00e3o Mundial da Sa\u00fade.  <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n\n\n<div class=\"sensei-block-wrapper\">\n<div class=\"wp-block-sensei-lms-lesson-actions\"><div class=\"sensei-buttons-container\">\n\n\n\n\n\n\n\n<\/div><\/div>\n<\/div>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_uag_custom_page_level_css":"","_uf_show_specific_survey":0,"_uf_disable_surveys":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_initial_content":"","_new_post":false,"footnotes":"","_quiz_has_questions":false,"_lesson_complexity":"easy","_lesson_length":10,"_lesson_course":1233,"_lesson_preview":""},"lesson-tag":[],"class_list":["post-1253","lesson","type-lesson","status-publish","hentry","module-modulo-2","post"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>5. 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