{"id":25299,"date":"2023-09-21T15:00:00","date_gmt":"2023-09-21T15:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/togo\/politique\/decalage-horaire-comment-sen-remettre-rapidement"},"modified":"2023-09-24T19:56:16","modified_gmt":"2023-09-24T19:56:16","slug":"decalage-horaire-comment-sen-remettre-rapidement","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/togo\/toutes-les-actualites\/decalage-horaire-comment-sen-remettre-rapidement","title":{"rendered":"D\u00e9calage horaire\u00a0: comment s&rsquo;en remettre rapidement ?"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Togo. <\/strong><\/span>Traverser plusieurs fuseaux horaires est une e\u0301preuve pour l\u2019organisme. Il subit des signaux contradictoires et met plusieurs jours a\u0300 s\u2019adapter au nouveau rythme qui lui est impose\u0301. Il est d\u2019ailleurs plus facile de re\u0301cupe\u0301rer d\u2019un voyage vers l\u2019ouest car l\u2019allongement des journe\u0301es coi\u0308ncide davantage avec le rythme de nos cellules. Dans les anne\u0301es 2000, les scientifiques s&rsquo;aperc\u0327oivent que le corps n\u2019est pas pourvu d\u2019une mais de plusieurs horloges internes. Presque toutes les cellules seraient dote\u0301es d\u2019une horloge circadienne. C\u2019est leur de\u0301synchronisation, les unes par rapport aux autres, qui cre\u0301e l\u2019effet de de\u0301calage horaire sur l\u2019organisme.<\/p>\n<p>Dans leur mode\u0300le mathe\u0301matique, des chercheurs de l\u2019universite\u0301 Northwestern (Etats-Unis) ont inte\u0301gre\u0301 plusieurs horloges internes afin d\u2019e\u0301tudier leurs interactions. L\u2019e\u0301tude, publie\u0301e dans la revue Chaos, identifie a\u0300 la fois l\u2019effet de l\u2019a\u0302ge sur la synchronisation des horloges internes, et une me\u0301thode pour acce\u0301le\u0301rer la re\u0301cupe\u0301ration apre\u0300s un grand voyage.<\/p>\n<p><b>Qu\u2019est-ce que le de\u0301calage horaire ? <\/b><\/p>\n<p>L\u2019effet de de\u0301calage horaire re\u0301sulte de la dissociation des horloges internes de l\u2019organisme, et de leur dissonance avec l\u2019environnement. Son incidence de\u0301pend de chaque individu et s\u2019aggrave avec l\u2019a\u0302ge. Les horloges de\u0301pendent d\u2019un ensemble d\u2019indices qui leur est propre. Si le cerveau prend en compte la lumie\u0300re du soleil, les organes pe\u0301riphe\u0301riques, eux, se calibrent au moment des repas. \u00ab\u00a0Ce sont les signaux contradictoires qui perturbent les horloges internes et peuvent provoquer une de\u0301synchronisation. Par exemple : un temps chaud pendant une courte photope\u0301riode ou encore, un repas nocturne, c\u2019est-a\u0300-dire manger lorsque votre cerveau est sur le point de se reposer\u00a0\u00bb, illustre l&rsquo;auteur de l\u2019e\u0301tude, Yitong Huang.<\/p>\n<p>A l\u2019aide d\u2019un mode\u0300le mathe\u0301matique, les chercheurs ont retranscrit les interactions entre horloges internes. D\u2019un co\u0302te\u0301, l\u2019horloge centrale, sur laquelle reposent certaines cellules du cerveau, est base\u0301e sur la lumie\u0300re du jour. De l\u2019autre, l\u2019horloge pe\u0301riphe\u0301rique, qui influence diffe\u0301rents organes, s\u2019appuie sur l\u2019alimentation. D\u2019apre\u0300s les re\u0301sultats de leur simulation, les signaux qui permettent aux diffe\u0301rentes populations de cellules de communiquer, s\u2019affaiblissent avec l\u2019a\u0302ge, ce qui rend la re\u0301cupe\u0301ration plus difficile lors d\u2019un voyage. Par ailleurs, il serait possible de se remettre plus rapidement en pre\u0302tant attention aux repas.<\/p>\n<p><b>La solution passe par l\u2019estomac <\/b><\/p>\n<p>\u00ab\u00a0Prendre un petit-de\u0301jeuner plus copieux to\u0302t le matin dans le nouveau fuseau horaire peut aider a\u0300 surmonter le de\u0301calage\u00a0\u00bb, indique Huang. A l\u2019inverse, il est de\u0301conseille\u0301 de modifier constamment les horaires des repas ou de manger tard le soir. Cela pourrait entrai\u0302ner un de\u0301salignement des horloges internes, selon les chercheurs.<\/p>\n<p>A pre\u0301sent, l\u2019e\u0301quipe de Yitong Huang cherche a\u0300 identifier de nouveaux facteurs pour rendre les horloges internes plus re\u0301silientes. Elle souhaite ainsi affiner les recommandations visant a\u0300 pre\u0301venir le de\u0301calage horaire et a\u0300 conserver un rythme circadien en bonne sante\u0301 le plus longtemps possible.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <a href=\"https:\/\/www.africa-press.net\/togo\">Togo<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Togo. Traverser plusieurs fuseaux horaires est une e\u0301preuve pour l\u2019organisme. Il subit des signaux contradictoires et met plusieurs jours a\u0300 s\u2019adapter au nouveau rythme qui lui est impose\u0301. Il est d\u2019ailleurs plus facile de re\u0301cupe\u0301rer d\u2019un voyage vers l\u2019ouest car l\u2019allongement des journe\u0301es coi\u0308ncide davantage avec le rythme de nos cellules. Dans les [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":25298,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[36,49,50],"class_list":["post-25299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-togo","tag-togo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>D\u00e9calage horaire\u00a0: comment s&#039;en remettre rapidement ? - Togo<\/title>\n<meta name=\"description\" content=\"Traverser plusieurs fuseaux horaires est une e\u0301preuve pour l\u2019organisme. 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