{"id":94592,"date":"2025-02-02T15:00:55","date_gmt":"2025-02-02T15:00:55","guid":{"rendered":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-pouvoir-insoupconne-des-odeurs-agreables"},"modified":"2025-02-02T15:00:55","modified_gmt":"2025-02-02T15:00:55","slug":"le-pouvoir-insoupconne-des-odeurs-agreables","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/cotedivoire\/toutes-les-actualites\/le-pouvoir-insoupconne-des-odeurs-agreables","title":{"rendered":"Le pouvoir insoup\u00e7onn\u00e9 des odeurs agr\u00e9ables"},"content":{"rendered":"

Africa-Press – C\u00f4te d’Ivoire. <\/strong><\/span>Les odeurs du monde sont apporte\u0301es par le flux d’air qui vient chatouiller les narines. Mais le lien entre odeurs et respiration va plus loin, comme l’a montre\u0301 une expe\u0301rience italienne ou\u0300 les chercheurs ont injecte\u0301 des essences de menthe ou de citron dans le sang de volontaires. Quand ces derniers ont bloque\u0301 leur souffle, ils n’ont rien perc\u0327u. Mais de\u0300s qu’ils ont recommence\u0301 a\u0300 respirer, ils se sont mis a\u0300 sentir des effluves de menthe ou de citron, alors me\u0302me qu’il n’y avait pas la moindre trace de ces odeurs dans l’air de la pie\u0300ce !<\/p>\n

Conclusion: pour que nous percevions consciemment des odeurs, il faut non seulement que des mole\u0301cules odorantes se fixent sur les cils olfactifs qui tapissent le fond des cavite\u0301s nasales (elles s’e\u0301taient ici e\u0301chappe\u0301es des vaisseaux sanguins tre\u0300s fins qui irriguent la muqueuse), mais aussi que ces cils soient agite\u0301s par un flux d’air. Or avec les odeurs, la respiration offre un autre outil antistress efficace.<\/p>\n

D’abord, parce qu’elles ont une capacite\u0301 incomparable a\u0300 faire revenir des e\u0301ve\u0301nements du passe\u0301 en me\u0301moire – on pense bien su\u0302r a\u0300 la ce\u0301le\u0300bre madeleine de la litte\u0301rature. En 2011, l’e\u0301quipe du chercheur japonais Matsunaga Masahiro a montre\u0301 que respirer une odeur qui e\u0301voque un souvenir agre\u0301able ame\u0301liore l’humeur et calme l’anxie\u0301te\u0301.<\/p>\n

La lavande aurait un pouvoir anxiolytique<\/b><\/p>\n

Le second mode d’action des odeurs est qu’elles nous poussent inconsciemment a\u0300 ralentir et amplifier la respiration – autrement dit a\u0300 pratiquer la technique de la respiration lente, tre\u0300s apaisante -, comme l’a montre\u0301 un autre chercheur japonais, Yuri Masaoka. A\u0300 condition qu’elles soient agre\u0301ables ! Car respirer une mauvaise odeur fait, au contraire, acce\u0301le\u0301rer le rythme respiratoire. Dans son e\u0301tude, Yuri Masaoka l’a teste\u0301 avec l’acide isovale\u0301rique, qui e\u0301voque un me\u0301lange d’aliment pourri et de transpiration…<\/p>\n

Qu’en est-il des huiles essentielles, qui sont justement des concentre\u0301s de compose\u0301s odorants ? Quelques e\u0301tudes sugge\u0300rent que certaines, notamment celle de lavande, ont un pouvoir anxiolytique. Dans ces expe\u0301riences, leur inhalation a fait baisser le stress dans tout une se\u0301rie de situations, allant de la se\u0301ance de mots croise\u0301s en temps limite\u0301 – propose\u0301e a\u0300 des e\u0301tudiants pour mimer l’anxie\u0301te\u0301 de performance lors des examens – jusqu’a\u0300 l’attente d’une intervention chirurgicale ou du passage chez le dentiste. Toutefois, les me\u0301ta-analyses sur le sujet ont des conclusions prudentes et soulignent le besoin de recherches comple\u0301mentaires pour vraiment valider ce pouvoir.<\/p>\n

Pour plus d’informations et d’analyses sur la C\u00f4te d’Ivoire<\/span>, suivez Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – C\u00f4te d’Ivoire. Les odeurs du monde sont apporte\u0301es par le flux d’air qui vient chatouiller les narines. Mais le lien entre odeurs et respiration va plus loin, comme l’a montre\u0301 une expe\u0301rience italienne ou\u0300 les chercheurs ont injecte\u0301 des essences de menthe ou de citron dans le sang de volontaires. Quand ces derniers […]<\/p>\n","protected":false},"author":82,"featured_media":94591,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[37],"class_list":["post-94592","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-cote-divoire-2"],"yoast_head":"\nLe pouvoir insoup\u00e7onn\u00e9 des odeurs agr\u00e9ables - C\u00f4te d'Ivoire<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/cotedivoire\/politique\/le-pouvoir-insoupconne-des-odeurs-agreables\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le pouvoir insoup\u00e7onn\u00e9 des odeurs agr\u00e9ables\" \/>\n<meta property=\"og:description\" content=\"Africa-Press – C\u00f4te d’Ivoire. Les odeurs du monde sont apporte\u0301es par le flux d’air qui vient chatouiller les narines. Mais le lien entre odeurs et respiration va plus loin, comme l’a montre\u0301 une expe\u0301rience italienne ou\u0300 les chercheurs ont injecte\u0301 des essences de menthe ou de citron dans le sang de volontaires. 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