{"id":31401,"date":"2026-10-29T10:44:04","date_gmt":"2026-10-29T09:44:04","guid":{"rendered":"https:\/\/www.cbd.fr\/blog\/?p=31401"},"modified":"2026-10-29T10:44:04","modified_gmt":"2026-10-29T09:44:04","slug":"thc-inhale-doubler-la-dose-naugmente-que-modestement-leffet-ressenti-selon-une-meta-analyse","status":"publish","type":"post","link":"https:\/\/www.cbd.fr\/blog\/thc-inhale-doubler-la-dose-naugmente-que-modestement-leffet-ressenti-selon-une-meta-analyse\/","title":{"rendered":"THC inhal\u00e9 : doubler la dose n\u2019augmente que modestement l\u2019effet ressenti, selon une m\u00e9ta-analyse"},"content":{"rendered":"<p><strong>Passer de 5 \u00e0 10 mg de <a href=\"https:\/\/www.cbd.fr\/208thcbd\" data-internallinksmanager029f6b8e52c=\"17\" title=\"thc - t\u00e9trahydrocannabinol\">THC<\/a> inhal\u00e9 ne doublerait pas l\u2019intensit\u00e9 de l\u2019effet subjectivement ressenti.<\/strong> D\u2019apr\u00e8s une nouvelle revue syst\u00e9matique accompagn\u00e9e d\u2019une m\u00e9ta-analyse, men\u00e9e avec la participation de scientifiques du King\u2019s College de Londres, cette hausse de dose serait associ\u00e9e \u00e0 une augmentation d\u2019environ 15 % de la sensation de \u00ab planer \u00bb. Ce r\u00e9sultat met en perspective l\u2019id\u00e9e selon laquelle un cannabis affichant davantage de THC produirait automatiquement des effets proportionnellement plus puissants.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Sommaire<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #43b981;color:#43b981\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #43b981;color:#43b981\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.cbd.fr\/blog\/thc-inhale-doubler-la-dose-naugmente-que-modestement-leffet-ressenti-selon-une-meta-analyse\/#Une_relation_dose-effet_qui_ne_serait_pas_lineaire\" >Une relation dose-effet qui ne serait pas lin\u00e9aire<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.cbd.fr\/blog\/thc-inhale-doubler-la-dose-naugmente-que-modestement-leffet-ressenti-selon-une-meta-analyse\/#Ce_que_cette_conclusion_change_dans_la_lecture_de_la_%C2%AB_puissance_%C2%BB\" >Ce que cette conclusion change dans la lecture de la \u00ab puissance \u00bb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.cbd.fr\/blog\/thc-inhale-doubler-la-dose-naugmente-que-modestement-leffet-ressenti-selon-une-meta-analyse\/#Pourquoi_une_meta-analyse_compte\" >Pourquoi une m\u00e9ta-analyse compte<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.cbd.fr\/blog\/thc-inhale-doubler-la-dose-naugmente-que-modestement-leffet-ressenti-selon-une-meta-analyse\/#THC_et_CBD_ne_pas_confondre_les_composes\" >THC et CBD : ne pas confondre les compos\u00e9s<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Une_relation_dose-effet_qui_ne_serait_pas_lineaire\"><\/span>Une relation dose-effet qui ne serait pas lin\u00e9aire<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Le THC est le principal compos\u00e9 psychoactif du cannabis. Dans l\u2019\u00e9tude \u00e9voqu\u00e9e, les chercheurs se sont int\u00e9ress\u00e9s \u00e0 ses effets aigus lorsqu\u2019il est inhal\u00e9, en r\u00e9unissant et en analysant les r\u00e9sultats de travaux scientifiques existants. Leur constat, tel qu\u2019il est pr\u00e9sent\u00e9, est simple : lorsque la quantit\u00e9 inhal\u00e9e passe de 5 mg \u00e0 10 mg, l\u2019augmentation du ressenti ne suit pas la m\u00eame progression.<\/p>\n<p>Autrement dit, <strong>doubler la quantit\u00e9 de THC ne revient pas \u00e0 doubler l\u2019intensit\u00e9 per\u00e7ue<\/strong>. L\u2019estimation rapport\u00e9e est une hausse d\u2019environ 15 % de l\u2019effet ressenti. Cette observation ne signifie pas que les deux doses sont \u00e9quivalentes, ni que les effets sont absents \u00e0 une dose plus \u00e9lev\u00e9e. Elle indique plut\u00f4t que l\u2019\u00e9cart observ\u00e9 sur le ressenti d\u00e9clar\u00e9 est nettement inf\u00e9rieur au doublement de la quantit\u00e9 de THC inhal\u00e9e.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ce_que_cette_conclusion_change_dans_la_lecture_de_la_%C2%AB_puissance_%C2%BB\"><\/span>Ce que cette conclusion change dans la lecture de la \u00ab puissance \u00bb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>La teneur en THC est fr\u00e9quemment utilis\u00e9e comme un rep\u00e8re de puissance. Pourtant, cette nouvelle analyse invite \u00e0 distinguer deux notions : la quantit\u00e9 de THC administr\u00e9e et l\u2019intensit\u00e9 r\u00e9ellement rapport\u00e9e par les personnes expos\u00e9es. Elles ne semblent pas \u00e9voluer \u00e0 la m\u00eame vitesse dans la comparaison entre 5 et 10 mg mentionn\u00e9e par les chercheurs.<\/p>\n<p>Pour le lecteur, le principal enseignement est donc qu\u2019un chiffre plus \u00e9lev\u00e9 de THC ne permet pas, \u00e0 lui seul, de pr\u00e9voir pr\u00e9cis\u00e9ment l\u2019exp\u00e9rience ressentie. La notion de puissance ne peut pas \u00eatre r\u00e9duite \u00e0 une multiplication arithm\u00e9tique de la dose. Les r\u00e9sultats d\u00e9crits concernent sp\u00e9cifiquement du THC inhal\u00e9 et des effets aigus : ils ne permettent pas, \u00e0 partir des \u00e9l\u00e9ments disponibles, de tirer des conclusions sur tous les modes de consommation, toutes les pr\u00e9parations de cannabis ou les cons\u00e9quences d\u2019un usage r\u00e9p\u00e9t\u00e9.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Pourquoi_une_meta-analyse_compte\"><\/span>Pourquoi une m\u00e9ta-analyse compte<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Une revue syst\u00e9matique vise \u00e0 examiner de mani\u00e8re structur\u00e9e les \u00e9tudes disponibles sur une m\u00eame question. La m\u00e9ta-analyse ajoute une \u00e9tape quantitative, en combinant leurs donn\u00e9es afin d\u2019estimer une tendance globale. La participation de chercheurs du King\u2019s College de Londres s\u2019inscrit dans cette d\u00e9marche de synth\u00e8se scientifique sur les effets imm\u00e9diats du THC.<\/p>\n<p>Il faut n\u00e9anmoins lire ce type de r\u00e9sultat avec pr\u00e9cision. Le chiffre d\u2019environ 15 % renvoie \u00e0 la comparaison de doses cit\u00e9e \u2014 5 mg puis 10 mg de THC inhal\u00e9 \u2014 et \u00e0 la sensation de planer rapport\u00e9e dans le cadre analys\u00e9. Il ne constitue ni une r\u00e8gle universelle pour chaque individu ni un indicateur de s\u00e9curit\u00e9. La r\u00e9ponse \u00e0 une substance psychoactive peut varier selon les personnes et les situations ; la source ne fournit pas ici de d\u00e9tail permettant de quantifier ces variations.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"THC_et_CBD_ne_pas_confondre_les_composes\"><\/span>THC et CBD : ne pas confondre les compos\u00e9s<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Cette publication porte sur le THC, et non sur le CBD. Les deux mol\u00e9cules sont souvent associ\u00e9es au cannabis, mais elles ne doivent pas \u00eatre assimil\u00e9es. Un produit au CBD n\u2019est pas une version automatiquement comparable d\u2019un produit contenant du THC, notamment sur la question des effets psychoactifs \u00e9tudi\u00e9s dans cette analyse.<\/p>\n<p>Les consommateurs qui cherchent \u00e0 mieux comprendre les diff\u00e9rentes familles de produits peuvent consulter <a href=\"https:\/\/www.cbd.fr\/\">la boutique CBD.fr<\/a>. Cette \u00e9tude rappelle surtout l\u2019int\u00e9r\u00eat de regarder au-del\u00e0 d\u2019un seul indicateur de concentration : dans le cas du THC inhal\u00e9 examin\u00e9 par les chercheurs, davantage de milligrammes ne se traduit pas m\u00e9caniquement par un ressenti deux fois plus important.<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;31401&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Notez cet article&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 vote)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;THC inhal\u00e9 : doubler la dose n\u2019augmente que modestement l\u2019effet ressenti, selon une m\u00e9ta-analyse&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">Notez cet article<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Passer de 5 \u00e0 10 mg de THC inhal\u00e9 ne doublerait pas l\u2019intensit\u00e9 de l\u2019effet subjectivement ressenti. D\u2019apr\u00e8s une nouvelle revue syst\u00e9matique accompagn\u00e9e d\u2019une m\u00e9ta-analyse, men\u00e9e avec la participation de scientifiques du King\u2019s College de Londres, cette hausse de dose serait associ\u00e9e \u00e0 une augmentation d\u2019environ 15 % de la sensation de \u00ab planer \u00bb. [&hellip;]<\/p>\n","protected":false},"author":90,"featured_media":31410,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-31401","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-autour-du-cbd"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.6 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Dose de THC inhal\u00e9 : doubler change peu | CBD Blog<\/title>\n<meta name=\"description\" content=\"Dose de THC inhal\u00e9 : une m\u00e9ta-analyse montre qu\u2019un passage de 5 \u00e0 10 mg n\u2019augmente le ressenti que d\u2019environ 15 %. 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