{"id":11211,"date":"2025-10-31T18:13:28","date_gmt":"2025-10-31T17:13:28","guid":{"rendered":"https:\/\/rvh-synergie.org\/actualites\/les-genes-la-personnalite-et-la-famille-peuvent-predire-la-consommation-dalcool-chez-les-adolescents\/"},"modified":"2025-10-31T18:13:33","modified_gmt":"2025-10-31T17:13:33","slug":"les-genes-la-personnalite-et-la-famille-peuvent-predire-la-consommation-dalcool-chez-les-adolescents","status":"publish","type":"post","link":"https:\/\/rvh-synergie.org\/actualites\/les-genes-la-personnalite-et-la-famille-peuvent-predire-la-consommation-dalcool-chez-les-adolescents\/","title":{"rendered":"Les g\u00e8nes, la personnalit\u00e9 et la famille peuvent pr\u00e9dire la consommation d&rsquo;alcool chez les adolescents"},"content":{"rendered":"<div>\n<div class=\"article-gallery lightGallery\">\n<div data-thumb=\"https:\/\/scx1.b-cdn.net\/csz\/news\/tmb\/2025\/genes-personality-and.jpg\" data-src=\"https:\/\/scx2.b-cdn.net\/gfx\/news\/hires\/2025\/genes-personality-and.jpg\" data-sub-html=\"Graphical Abstract. Credit: &lt;i&gt;Alcohol, Clinical and Experimental Research&lt;\/i&gt; (2025). DOI: 10.1111\/acer.70166\">\n<figure class=\"article-img\">\n<\/figure><\/div>\n<\/div>\n<p>L&rsquo;examen des caract\u00e9ristiques g\u00e9n\u00e9tiques, familiales et de la personnalit\u00e9 peut aider \u00e0 identifier les personnes qui pr\u00e9sentent un risque \u00e9lev\u00e9 de consommation d&rsquo;alcool et de probl\u00e8mes d&rsquo;alcool \u00e0 l&rsquo;adolescence. Une \u00e9tude, publi\u00e9e dans <i>Alcool\u00a0: recherche clinique et exp\u00e9rimentale<\/i>ont d\u00e9couvert que ces facteurs \u00e9taient associ\u00e9s aux comportements de consommation d&rsquo;alcool \u00e0 l&rsquo;adolescence et au d\u00e9but de l&rsquo;\u00e2ge adulte et pourraient \u00eatre utilis\u00e9s pour identifier les adolescents qui b\u00e9n\u00e9ficieraient de strat\u00e9gies de pr\u00e9vention et d&rsquo;intervention pour r\u00e9duire leur risque de d\u00e9velopper des probl\u00e8mes d&rsquo;alcool.<\/p>\n<p>L&rsquo;\u00e9tude a analys\u00e9 les donn\u00e9es d&rsquo;une large cohorte d&rsquo;enfants n\u00e9s en Angleterre entre 1991 et 1992 pour identifier la relation entre les facteurs g\u00e9n\u00e9tiques, familiaux et psychosociaux et leurs comportements en mati\u00e8re de consommation d&rsquo;alcool entre 16 et 23 ans. Les chercheurs ont examin\u00e9 sp\u00e9cifiquement les facteurs qui ont \u00e9t\u00e9 d\u00e9montr\u00e9s dans des \u00e9tudes ant\u00e9rieures comme exposant les adolescents \u00e0 un risque plus \u00e9lev\u00e9 de consommation d&rsquo;alcool, notamment les g\u00e8nes, les ant\u00e9c\u00e9dents familiaux de probl\u00e8mes d&rsquo;alcool, les traits de personnalit\u00e9, les sympt\u00f4mes de d\u00e9pression, le tabagisme et les facteurs sociaux tels que la surveillance parentale et les groupes de pairs. Les estimations issues de r\u00e9centes \u00e9tudes g\u00e9nomiques \u00e0 grande \u00e9chelle ont \u00e9t\u00e9 utilis\u00e9es pour classer les g\u00e8nes associ\u00e9s \u00e0 la consommation d\u2019alcool et aux probl\u00e8mes li\u00e9s \u00e0 la consommation d\u2019alcool.<\/p>\n<p>L&rsquo;\u00e9tude a r\u00e9v\u00e9l\u00e9 que les facteurs de risque g\u00e9n\u00e9tiques \u00e9taient associ\u00e9s \u00e0 la consommation d&rsquo;alcool au premier moment de l&rsquo;\u00e9tude, \u00e0 l&rsquo;\u00e2ge de 16 ans, mais n&rsquo;\u00e9taient pas associ\u00e9s \u00e0 des changements dans la consommation d&rsquo;alcool ou \u00e0 des probl\u00e8mes d&rsquo;alcool au fil du temps, ce qui sugg\u00e8re que diff\u00e9rents ensembles de g\u00e8nes peuvent \u00eatre associ\u00e9s aux comportements de consommation d&rsquo;alcool \u00e0 diff\u00e9rents stades de d\u00e9veloppement.<\/p>\n<p>Les ant\u00e9c\u00e9dents familiaux \u00e9taient fortement associ\u00e9s aux probl\u00e8mes li\u00e9s \u00e0 la consommation d&rsquo;alcool. Le taux de probl\u00e8mes li\u00e9s \u00e0 la consommation d&rsquo;alcool chez les enfants ayant des ant\u00e9c\u00e9dents familiaux de probl\u00e8mes d&rsquo;alcool \u00e9tait plus \u00e9lev\u00e9 \u00e0 l&rsquo;\u00e2ge de 16 ans, ralentissait \u00e0 la fin de l&rsquo;adolescence, puis augmentait plus rapidement au d\u00e9but de l&rsquo;\u00e2ge adulte.<\/p>\n<p>Les traits de personnalit\u00e9 montraient \u00e9galement de fortes associations avec la consommation d\u2019alcool. Le comportement antisocial \u00e9tait l\u2019un des indicateurs les plus puissants de la consommation d\u2019alcool et des probl\u00e8mes li\u00e9s \u00e0 la consommation d\u2019alcool. Le tabagisme \u00e9tait associ\u00e9 \u00e0 davantage de probl\u00e8mes d&rsquo;alcool \u00e0 l&rsquo;\u00e2ge de 16 ans, mais \u00e0 une augmentation plus lente de ces probl\u00e8mes \u00e0 mesure que les adolescents grandissaient.<\/p>\n<p>Les filles avaient des niveaux plus \u00e9lev\u00e9s de probl\u00e8mes d\u2019alcool que les gar\u00e7ons \u00e0 16 ans, m\u00eame si elles n\u2019avaient jamais eu une consommation d\u2019alcool plus \u00e9lev\u00e9e que les gar\u00e7ons. Apr\u00e8s 18 ans, il n\u2019y avait plus de diff\u00e9rence entre les gar\u00e7ons et les filles.<\/p>\n<p>Les r\u00e9sultats de l&rsquo;\u00e9tude pourraient aider \u00e0 l&rsquo;identification pr\u00e9coce des enfants pr\u00e9sentant un risque plus \u00e9lev\u00e9 de consommation d&rsquo;alcool \u00e0 l&rsquo;adolescence, qui pourraient b\u00e9n\u00e9ficier de strat\u00e9gies de pr\u00e9vention et d&rsquo;intervention pour pr\u00e9venir les probl\u00e8mes de consommation d&rsquo;alcool.<\/p>\n<p>                                        <!-- print only --><\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;examen des caract\u00e9ristiques g\u00e9n\u00e9tiques, familiales et de la personnalit\u00e9 peut aider \u00e0 identifier les personnes<\/p>\n","protected":false},"author":1,"featured_media":11212,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[58,56,33,34,979,996,49,6159,92,799],"class_list":["post-11211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-addictions","tag-adolescents","tag-chez","tag-consommation","tag-dalcool","tag-famille","tag-genes","tag-les","tag-personnalite","tag-peuvent","tag-predire","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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