{"id":15130,"date":"2026-03-24T08:11:03","date_gmt":"2026-03-24T07:11:03","guid":{"rendered":"https:\/\/rvh-synergie.org\/actualites\/des-scientifiques-convaincus-que-ne-rien-faire-reduit-le-risque-dalzheimer\/"},"modified":"2026-03-24T08:11:04","modified_gmt":"2026-03-24T07:11:04","slug":"des-scientifiques-convaincus-que-ne-rien-faire-reduit-le-risque-dalzheimer","status":"publish","type":"post","link":"https:\/\/rvh-synergie.org\/actualites\/des-scientifiques-convaincus-que-ne-rien-faire-reduit-le-risque-dalzheimer\/","title":{"rendered":"Des scientifiques convaincus que \u00ab ne rien faire \u00bb r\u00e9duit le risque d\u2019Alzheimer"},"content":{"rendered":"<p><!--$--><\/p>\n<div data-hk=\"00942120a20200\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Le neuroscientifique londonien, le Dr Joseph Jebelli, est convaincu qu&rsquo;un repos cibl\u00e9 peut r\u00e9duire le risque de maladie d&rsquo;Alzheimer et d&rsquo;autres d\u00e9mences. Il d\u00e9crit que le cerveau \u00e0 c\u00f4t\u00e9 d&rsquo;un \u00ab\u00a0<strong>\u00ab\u00a0R\u00e9seau de t\u00e2ches\u00a0\u00bb<\/strong> (responsable du travail concentr\u00e9 et de la r\u00e9solution de probl\u00e8mes) \u00e9galement appel\u00e9 \u00ab\u00a0<strong>R\u00e9seau en veille ou inactif\u00a0\u00bb<\/strong> poss\u00e8de. Cela devient actif lorsque nous nous promenons, r\u00eavons ou laissons nos pens\u00e9es se d\u00e9cha\u00eener.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-mobile-hor-2\" data-orientation=\"hor\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<div data-hk=\"00942120a20220\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Ce r\u00e9seau se met en place lorsque les gens semblent \u00ab ne rien faire \u00bb \u2013 comme regarder par la fen\u00eatre ou se promener tranquillement dans la campagne, rapporte le \u00ab Telegraph \u00bb britannique.<\/p>\n<\/div>\n<div data-hk=\"00942120a20230\" class=\"Html-Block\" data-qa-article-content-text>\n<p><strong>Toutes les informations sur la recherche sur la maladie d&rsquo;Alzheimer fournies par le neuroscientifique Dr Joseph Jebelli\u00a0:<\/strong><\/p>\n<\/div>\n<div data-hk=\"00942120a20240\" class=\"Html-Block\" data-qa-article-content-text>\n<ul>\n<li>Selon des \u00e9tudes, les cerveaux surmen\u00e9s ressemblent \u00e0 des cerveaux \u00e2g\u00e9s<\/li>\n<li>La surcharge provoque le r\u00e9tr\u00e9cissement du cortex c\u00e9r\u00e9bral et l&rsquo;\u00e9largissement de l&rsquo;amygdale de stress.<\/li>\n<li>Jusqu&rsquo;\u00e0 trois ans de r\u00e9cup\u00e9ration sont n\u00e9cessaires pour compenser les dommages caus\u00e9s par un stress constant<\/li>\n<li>L&rsquo;exercice r\u00e9gulier renforce le r\u00e9seau par d\u00e9faut et am\u00e9liore les fonctions de m\u00e9moire<\/li>\n<li>Seulement quatre minutes d&rsquo;exercice doux par jour peuvent r\u00e9duire le risque de maladie d&rsquo;Alzheimer<\/li>\n<li>Les entreprises b\u00e9n\u00e9ficient de plus de p\u00e9riodes de repos gr\u00e2ce \u00e0 des salari\u00e9s plus productifs<\/li>\n<\/ul>\n<h2>Alzheimer et d\u00e9mence\u00a0: comment ne rien faire consciemment prot\u00e8ge le cerveau<\/h2>\n<p>Selon Jebelli, c&rsquo;est pr\u00e9cis\u00e9ment cette forme de repos qui est hautement productive pour le cerveau. Il favorise la cr\u00e9ation de nouvelles synapses, renforce la m\u00e9moire et la cr\u00e9ativit\u00e9 et peut contrecarrer les processus d\u00e9g\u00e9n\u00e9ratifs. Pour lui, regarder des \u00e9crans sur le canap\u00e9 ne compte pas comme une pause d\u00e9tente car le cerveau continue d&rsquo;\u00eatre stimul\u00e9 de mani\u00e8re dirig\u00e9e vers l&rsquo;ext\u00e9rieur.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202504\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-out\">\n<div id=\"ad-slot-mobile-out-1\" data-orientation=\"out\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a20260\" class=\"Ad-Row\">\n<div class=\"Ad-Col col-lg-5\">\n<div data-hk=\"00942120a2026104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-ver\" role=\"region\" aria-label=\"Anzeige 1\">\n<div id=\"ad-slot-desktop-ver-1\" data-orientation=\"ver\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<div class=\"Ad-Col col-lg-5\">\n<aside data-hk=\"00942120a2026204\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-ver Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-desktop-ver-2\" data-orientation=\"ver\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<\/div>\n<\/div>\n<div data-hk=\"00942120a20270\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Jebelli lui-m\u00eame a r\u00e9duit ses heures de travail \u00e0 quatre \u00e0 cinq heures par jour apr\u00e8s avoir travaill\u00e9 jusqu&rsquo;\u00e0 l&rsquo;\u00e9puisement professionnel au d\u00e9but de sa carri\u00e8re. Il utilise ses exp\u00e9riences et ses recherches actuelles dans son livre \u00ab\u00a0The Brain at Rest\u00a0\u00bb, qui est devenu un best-seller et, selon le Telegraph, a re\u00e7u un excellent \u00e9cho.<\/p>\n<\/div>\n<div data-hk=\"00942120a20280\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Le \u00ab repos actif \u00bb comme m\u00e9dicament quotidien pour le cerveau<\/h2>\n<p>Le \u00ab\u00a0Telegraph\u00a0\u00bb cite Jebelli disant que le \u00ab\u00a0repos actif\u00a0\u00bb &#8211; comme la marche, le jogging l\u00e9ger ou le v\u00e9lo &#8211; non seulement soulage le cerveau, mais peut l&rsquo;augmenter de mani\u00e8re mesurable. Environ 15 centim\u00e8tres cubes de volume c\u00e9r\u00e9bral suppl\u00e9mentaire sont possibles si le r\u00e9seau par d\u00e9faut est activ\u00e9 r\u00e9guli\u00e8rement. L\u2019hippocampe en particulier, central \u00e0 l\u2019apprentissage et \u00e0 la m\u00e9moire, b\u00e9n\u00e9ficie d\u2019une prot\u00e9ine appel\u00e9e BDNF, lib\u00e9r\u00e9e lors de l\u2019exercice.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202904\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-3\" data-orientation=\"hor\" data-index=\"3\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a202a100\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Jebelli fait une comparaison avec le fait de ne pas fumer : tout comme arr\u00eater de fumer r\u00e9duit le risque de cancer, le repos actif peut r\u00e9duire le risque de maladie d&rsquo;Alzheimer. Il met en garde contre le fait de consid\u00e9rer le repos comme un luxe. <\/p>\n<\/div>\n<div data-hk=\"00942120a202a110\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Vingt minutes par jour \u00e0 la campagne suffisaient pour obtenir des effets neurologiques mesurables. <\/p>\n<\/div>\n<div data-hk=\"00942120a202a120\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Face \u00e0 l\u2019augmentation du nombre d\u2019\u00e9puisements professionnels et aux centaines de milliers de d\u00e9c\u00e8s dus au surmenage dans le monde, il appelle \u00e0 repenser la culture du travail. Selon le Telegraph, il consid\u00e8re l\u2019inaction d\u00e9lib\u00e9r\u00e9e non pas comme une faiblesse, mais comme une forme de pr\u00e9vention \u2013 pour les personnes concern\u00e9es, les entreprises et une soci\u00e9t\u00e9 vieillissante.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202a1304\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-4\" data-orientation=\"hor\" data-index=\"4\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<aside data-hk=\"00942120a202a1404\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-hor Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-desktop-hor-2\" data-orientation=\"hor\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<div data-hk=\"00942120a202a150\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Qu&rsquo;est-ce que la maladie d&rsquo;Alzheimer et comment la reconna\u00eetre<\/h2>\n<p>La maladie d&rsquo;Alzheimer est la forme de d\u00e9mence la plus courante. Il s&rsquo;agit d&rsquo;une maladie neurod\u00e9g\u00e9n\u00e9rative progressive dans laquelle les cellules nerveuses du cerveau meurent au fil des ann\u00e9es. Elle est d\u00e9clench\u00e9e, entre autres, par des d\u00e9p\u00f4ts de prot\u00e9ines b\u00eata-amylo\u00efdes et tau, qui perturbent la communication entre les cellules nerveuses. <\/p>\n<\/div>\n<div data-hk=\"00942120a202a160\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Crucial : la maladie d\u00e9bute souvent 15 \u00e0 20 ans avant le diagnostic \u2013 initialement inaper\u00e7ue. Au d\u00e9but, les personnes concern\u00e9es signalent seulement un sentiment diffus que \u00ab quelque chose ne va pas \u00bb : les noms sont plus difficiles \u00e0 retenir, les conversations sont oubli\u00e9es plus rapidement et la concentration diminue. <\/p>\n<\/div>\n<aside data-hk=\"00942120a202a1704\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-5\" data-orientation=\"hor\" data-index=\"5\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a202a180\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Dans les phases ult\u00e9rieures, des sympt\u00f4mes plus clairs apparaissent, tels que des questions r\u00e9p\u00e9t\u00e9es, des probl\u00e8mes de planification et d&rsquo;organisation quotidienne, des difficult\u00e9s d&rsquo;orientation ou des changements de personnalit\u00e9. Les experts distinguent trois stades\u00a0: de la phase pr\u00e9coce invisible \u00e0 la d\u00e9ficience cognitive l\u00e9g\u00e8re et \u00e0 la d\u00e9mence manifeste. <\/p>\n<\/div>\n<div data-hk=\"00942120a202a190\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Ce qui est crucial pour les personnes touch\u00e9es et leurs proches, c&rsquo;est que tous les oublis ne sont pas la maladie d&rsquo;Alzheimer, mais que les changements persistants et croissants doivent \u00eatre clarifi\u00e9s m\u00e9dicalement, car un diagnostic et une pr\u00e9vention pr\u00e9coces peuvent ralentir de mani\u00e8re mesurable la progression de la maladie.<\/p>\n<\/div>\n<p><!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le neuroscientifique londonien, le Dr Joseph Jebelli, est convaincu qu&rsquo;un repos cibl\u00e9 peut r\u00e9duire le<\/p>\n","protected":false},"author":1,"featured_media":15131,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[9336,676,16,93,658,299,40,97],"class_list":["post-15130","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-maladies","tag-convaincus","tag-dalzheimer","tag-des","tag-faire","tag-reduit","tag-rien","tag-risque","tag-scientifiques","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - 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Depuis plus de dix ans, j'explore et rapporte les histoires poignantes des individus confront\u00e9s \u00e0 ces d\u00e9fis, tout en sensibilisant le public aux traitements novateurs et aux progr\u00e8s scientifiques dans ce domaine. 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