{"id":2698,"date":"2026-02-18T17:11:07","date_gmt":"2026-02-18T15:11:07","guid":{"rendered":"https:\/\/canalregionaltv.md\/?p=2698"},"modified":"2026-02-18T17:11:07","modified_gmt":"2026-02-18T15:11:07","slug":"aerul-poluat-din-orase-ar-putea-declansa-alzheimerul-ce-au-descoperit-cercetatorii","status":"publish","type":"post","link":"https:\/\/canalregionaltv.md\/?p=2698","title":{"rendered":"Aerul poluat din ora\u0219e ar putea declan\u0219a Alzheimerul. Ce au descoperit cercet\u0103torii"},"content":{"rendered":"<h3 data-start=\"219\" data-end=\"535\">Poluarea aerului nu afecteaz\u0103 doar pl\u0103m\u00e2nii \u0219i sistemul cardiovascular, ci ar putea avea un impact direct asupra creierului. Un studiu amplu realizat de cercet\u0103tori de la Emory University (SUA) arat\u0103 c\u0103 expunerea \u00eendelungat\u0103 la particulele fine PM2.5 este asociat\u0103 cu un risc semnificativ crescut de boal\u0103 Alzheimer, transmite <a href=\"https:\/\/www.stiripesurse.ro\/aerul-din-orase-ar-putea-fi-un-declansator-al-alzheimerului-ce-au-descoperit-cercetatorii_3860199\">stiripesurse.ro<\/a>.<\/h3>\n<p data-start=\"537\" data-end=\"707\">Cercetarea sugereaz\u0103 c\u0103 poluarea nu contribuie doar indirect la apari\u021bia bolii, prin alte afec\u021biuni, ci ar putea avea un efect direct asupra proceselor neurodegenerative.<\/p>\n<p data-start=\"770\" data-end=\"1066\">Studiul a analizat dosarele medicale a peste 27,8 milioane de americani cu v\u00e2rsta de 65 de ani \u0219i peste, pe o perioad\u0103 de 18 ani. Cercet\u0103torii au comparat diagnosticele de Alzheimer cu nivelurile estimate de poluare a aerului \u00een zonele de domiciliu ale participan\u021bilor, pe baza codurilor po\u0219tale.<\/p>\n<p data-start=\"1068\" data-end=\"1249\">Rezultatele au ar\u0103tat o leg\u0103tur\u0103 puternic\u0103 \u00eentre expunerea la niveluri ridicate de PM2.5 \u0219i cre\u0219terea riscului de Alzheimer, chiar \u0219i dup\u0103 ajustarea pentru al\u021bi factori de s\u0103n\u0103tate.<\/p>\n<blockquote>\n<p data-start=\"1251\" data-end=\"1425\"><em>\u201eRezultatele noastre sugereaz\u0103 c\u0103 expunerea la PM2.5 este asociat\u0103 cu un risc crescut de boal\u0103 Alzheimer, \u00een principal prin mecanisme directe\u201d,<\/em> au explicat autorii studiului.<\/p>\n<\/blockquote>\n<h2 data-start=\"1432\" data-end=\"1499\">Poluarea aerului ar putea avea un efect direct asupra creierului<\/h2>\n<p data-start=\"1501\" data-end=\"1668\">Potrivit cercet\u0103torilor, nu este vorba doar despre un efect \u00een lan\u021b \u2014 de tipul \u201epoluarea cre\u0219te riscul de boli cardiovasculare, iar acestea cresc riscul de Alzheimer\u201d.<\/p>\n<p data-start=\"1670\" data-end=\"1755\">Datele sugereaz\u0103 c\u0103 particulele fine pot contribui direct la deteriorarea creierului.<\/p>\n<p data-start=\"1757\" data-end=\"2017\">O alt\u0103 constatare important\u0103 a fost c\u0103 persoanele care au suferit un accident vascular cerebral (AVC) prezint\u0103 un risc u\u0219or mai mare de a dezvolta Alzheimer. Leziunile provocate de AVC ar putea face creierul mai vulnerabil la p\u0103trunderea particulelor poluante.<\/p>\n<h2 data-start=\"2024\" data-end=\"2067\">Cum afecteaz\u0103 particulele PM2.5 creierul<\/h2>\n<p data-start=\"2069\" data-end=\"2169\">Cercet\u0103torii indic\u0103 mai multe mecanisme posibile prin care poluarea poate accelera neurodegenerarea:<\/p>\n<ul data-start=\"2171\" data-end=\"2341\">\n<li data-start=\"2171\" data-end=\"2212\">\n<p data-start=\"2173\" data-end=\"2212\">afectarea direct\u0103 a \u021besutului cerebral;<\/p>\n<\/li>\n<li data-start=\"2213\" data-end=\"2247\">\n<p data-start=\"2215\" data-end=\"2247\">cre\u0219terea inflama\u021biei sistemice;<\/p>\n<\/li>\n<li data-start=\"2248\" data-end=\"2301\">\n<p data-start=\"2250\" data-end=\"2301\">acumularea proteinelor asociate cu boala Alzheimer;<\/p>\n<\/li>\n<li data-start=\"2302\" data-end=\"2341\">\n<p data-start=\"2304\" data-end=\"2341\">afectarea barierei hemato-encefalice.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2343\" data-end=\"2486\">Speciali\u0219tii atrag aten\u021bia c\u0103 mediul \u00een care tr\u0103im joac\u0103 un rol esen\u021bial \u00een prevenirea bolilor neurodegenerative, mai ales la v\u00e2rste \u00eenaintate.<\/p>\n<p data-start=\"2488\" data-end=\"2618\">Boala Alzheimer este cea mai frecvent\u0103 form\u0103 de demen\u021b\u0103 \u0219i reprezint\u0103 o provocare major\u0103 pentru s\u0103n\u0103tatea public\u0103 la nivel global.<\/p>\n<p>Articolul <a href=\"https:\/\/nordnews.md\/stiri-nationale\/sanatate\/poluarea-aerului-risc-alzheimer-studiu-pm25\/\">Aerul poluat din ora\u0219e ar putea declan\u0219a Alzheimerul. Ce au descoperit cercet\u0103torii<\/a> apare prima dat\u0103 \u00een <a href=\"https:\/\/nordnews.md\/\">NordNews<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Poluarea aerului nu afecteaz\u0103 doar pl\u0103m\u00e2nii \u0219i sistemul cardiovascular, ci ar putea avea un impact direct asupra creierului. Un studiu amplu realizat de cercet\u0103tori de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2698","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Aerul poluat din ora\u0219e ar putea declan\u0219a Alzheimerul. Ce au descoperit cercet\u0103torii - Canal Regional<\/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:\/\/canalregionaltv.md\/?p=2698\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aerul poluat din ora\u0219e ar putea declan\u0219a Alzheimerul. Ce au descoperit cercet\u0103torii - Canal Regional\" \/>\n<meta property=\"og:description\" content=\"Poluarea aerului nu afecteaz\u0103 doar pl\u0103m\u00e2nii \u0219i sistemul cardiovascular, ci ar putea avea un impact direct asupra creierului. 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