{"id":19894,"date":"2016-10-22T07:00:54","date_gmt":"2016-10-22T05:00:54","guid":{"rendered":"http:\/\/www.life-magazine.be\/fr\/?p=19894"},"modified":"2018-03-08T15:16:17","modified_gmt":"2018-03-08T14:16:17","slug":"sante-lactualite-sciences-decryptee","status":"publish","type":"post","link":"https:\/\/www.fiftyandmemagazine.be\/fr\/sante\/bien-vieillir\/sante-lactualite-sciences-decryptee","title":{"rendered":"Sant\u00e9: l\u2019actualit\u00e9 des sciences d\u00e9crypt\u00e9e"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><p style=\"text-align: justify;\"><strong>Tous les jours, de nouvelles \u00e9tudes scientifiques apportent leur lot de connaissances parfois \u00e9tonnantes, souvent porteuses d\u2019espoirs et de promesses.\u00a0En voici quelques-unes\u2026<\/strong><\/p>\n<p style=\"text-align: right;\"><em>Par Common Sciences<\/em><\/p>\n<p style=\"text-align: justify;\"><strong>\u00a0<\/strong><\/p>\n<h3 style=\"text-align: justify;\"><strong>Des champignons hallucinog\u00e8nes pour combattre la d\u00e9pression\u00a0?<\/strong><\/h3>\n<p style=\"text-align: justify;\">Pour la premi\u00e8re fois, la psilocybine, substance active des champignons hallucinog\u00e8nes, a d\u00e9montr\u00e9 son efficacit\u00e9 dans le traitement de la d\u00e9pression chronique.\u00a0L&rsquo;\u00e9tude a inclus un nombre restreint de participants (6 hommes et 6 femmes) souffrant de d\u00e9pression chronique depuis pr\u00e8s de 18 ans et r\u00e9sistant aux traitements habituels, notamment aux antid\u00e9presseurs. Apr\u00e8s la prise de deux doses de psilocybine, les 12 volontaires ont connu une nette am\u00e9lioration de leurs sympt\u00f4mes une semaine apr\u00e8s. Et trois mois plus tard, cinq d&rsquo;entre eux \u00e9taient en r\u00e9mission compl\u00e8te. L\u2019effet de la psilocybine est donc prouv\u00e9 mais la m\u00e9fiance reste de mise. En effet, cette substance est cat\u00e9goris\u00e9e comme une drogue de classe 1, les plus dangereuses.<\/p>\n<h3 style=\"text-align: justify;\"><strong>Faire du sport \u00e0 40 ans, c\u2019est moins de risques d\u2019AVC \u00e0 65 ans<\/strong><\/h3>\n<p style=\"text-align: justify;\">Lors d\u2019une \u00e9tude r\u00e9alis\u00e9e entre 1999 et 2009, les mesures des capacit\u00e9s respiratoire et pulmonaire de pr\u00e8s de 20.000 adultes \u00e2g\u00e9s de 45 \u00e0 50 ans ont \u00e9t\u00e9 r\u00e9colt\u00e9es. Les participants ont ainsi pu \u00eatre r\u00e9partis en trois cat\u00e9gories\u00a0: niveau de forme physique faible, moyen ou \u00e9lev\u00e9. En comparant l\u2019\u00e9volution de la sant\u00e9 de ces milliers de personnes jusqu\u2019\u00e0 aujourd\u2019hui, les chercheurs ont constat\u00e9 que les plus sportifs de l\u2019\u00e9poque pr\u00e9sentaient un risque d\u2019accident vasculaire c\u00e9r\u00e9bral \u00e0 l\u2019\u00e2ge de 65 ans r\u00e9duit de 37\u00a0% par rapport au groupe en faible forme physique. Cette \u00e9tude confirme ainsi l\u2019int\u00e9r\u00eat d\u2019une activit\u00e9 physique r\u00e9guli\u00e8re pour la sant\u00e9 cardiovasculaire. L\u2019OMS recommande de pratiquer chaque semaine 150\u00a0minutes d\u2019exercices mod\u00e9r\u00e9s ou 75 minutes plus intenses.<\/p>\n<h3 style=\"text-align: justify;\"><strong>Ce g\u00e8ne qui peut vous faire paraitre plus vieux que votre \u00e2ge<\/strong><\/h3>\n<p style=\"text-align: justify;\">Faire plus vieux que son \u00e2ge s&rsquo;expliquerait en partie par une variation g\u00e9n\u00e9tique. Le g\u00e8ne incrimin\u00e9, le g\u00e8ne \u00ab\u00a0MC1R\u00a0\u00bb, a chez certaines personnes une mutation associ\u00e9e au fait de paraitre plus \u00e2g\u00e9, de deux ans en moyenne, par rapport aux individus poss\u00e9dant le g\u00e8ne normal. Cette implication de \u00ab\u00a0MC1R\u00a0\u00bb s\u2019expliquerait par le fait que ce g\u00e8ne joue un r\u00f4le non n\u00e9gligeable dans des processus biologiques importants tels que l&rsquo;inflammation et la r\u00e9paration de l&rsquo;ADN. Mieux comprendre l\u2019action exacte de ce g\u00e8ne sur le vieillissement permettra certainement d\u2019obtenir des \u00e9clairages importants sur la sant\u00e9 et la nature de la s\u00e9nescence elle-m\u00eame.<\/p>\n<h3 style=\"text-align: justify;\"><strong>M\u00e9lanome\u00a0: des chercheurs cr\u00e9ent une mol\u00e9cule qui d\u00e9truit les cellules canc\u00e9reuses<\/strong><\/h3>\n<p style=\"text-align: justify;\">Des chercheurs fran\u00e7ais ont transform\u00e9 et adapt\u00e9 une mol\u00e9cule habituellement utilis\u00e9e dans le traitement du diab\u00e8te pour la rendre capable de d\u00e9truire les cellules canc\u00e9reuses de la peau. Cette nouvelle configuration lui permet de r\u00e9duire la viabilit\u00e9 des m\u00e9lanocytes sans \u00eatre toxique pour les cellules normales. Cette mol\u00e9cule s&rsquo;est av\u00e9r\u00e9e efficace chez la souris et aurait \u00e9galement une action similaire sur des lign\u00e9es cellulaires provenant d\u2019autres tumeurs comme le cancer du sein, du colon, de la prostate, du pancr\u00e9as ou bien encore des gliomes ou certaines leuc\u00e9mies. Un essai clinique chez l\u2019homme est envisag\u00e9 prochainement.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Tous les jours, de nouvelles \u00e9tudes scientifiques apportent leur lot de connaissances parfois \u00e9tonnantes, souvent porteuses d\u2019espoirs et de promesses&#8230;<\/p>\n","protected":false},"author":9,"featured_media":19896,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[1107],"tags":[33],"class_list":["post-19894","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bien-vieillir","tag-sante"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sant\u00e9: l\u2019actualit\u00e9 des sciences d\u00e9crypt\u00e9e - Fifty &amp; 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