{"id":292909,"date":"2026-07-01T08:15:13","date_gmt":"2026-07-01T08:15:13","guid":{"rendered":"https:\/\/www.europesays.com\/se\/292909\/"},"modified":"2026-07-01T08:15:13","modified_gmt":"2026-07-01T08:15:13","slug":"biologiskt-aldrande-kan-ligga-bakom-okad-cancer-bland-personer-under-50-ar-inrikes","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/se\/292909\/","title":{"rendered":"Biologiskt \u00e5ldrande kan ligga bakom \u00f6kad cancer bland personer under 50 \u00e5r | Inrikes"},"content":{"rendered":"<p class=\"aw__sc-1qwuw0s-0 aw__sc-1vg2sqm-0 epAWpq ecELkD yle__article__paragraph\">Antalet cancerfall har \u00f6kat kraftigt p\u00e5 global niv\u00e5. En ny studie kopplar \u00f6kningen till milj\u00f6faktorer och livsstilsvanor, som oh\u00e4lsosam kost och stillasittande.<\/p>\n<p><img decoding=\"async\" alt=\"Portr\u00e4tt p\u00e5 Johanna Mattson p\u00e5 HUS Cancercentrum.\" src=\"https:\/\/www.europesays.com\/se\/wp-content\/uploads\/2026\/07\/1782294234.jpeg\" class=\"aw__sc-dklauk-0 LPzKX\"\/><\/p>\n<p>\u00d6ppna bildvisare<\/p>\n<p>Johanna Mattson leder HUS Cancercentrum som ansvarar f\u00f6r cancerv\u00e5rd i Nyland. Bild: Niklas Fagerstr\u00f6m \/ YleLyssna (du h\u00f6r en artificiell r\u00f6st) 3:37<\/p>\n<ul class=\"aw__sc-1yb43iq-0 gFXHv yle__article__list yle__article__list--ul\">\n<li class=\"aw__sc-1yb43iq-1 gVAzbt\">Unga vuxna och medel\u00e5lders personer \u00e5ldras snabbare biologiskt \u00e4n tidigare generationer, enligt en ny studie.<\/li>\n<li class=\"aw__sc-1yb43iq-1 gVAzbt\">Det snabbare \u00e5ldrandet kan \u00f6ka risken f\u00f6r tidig cancer, bland annat tjocktarms-, lung- och livmodercancer.<\/li>\n<li class=\"aw__sc-1yb43iq-1 gVAzbt\">En liknande trend syns ocks\u00e5 i Finland.<\/li>\n<li class=\"aw__sc-1yb43iq-1 gVAzbt\">M\u00f6jliga orsaker \u00e4r den egna livsstilen och milj\u00f6faktorer.<\/li>\n<\/ul>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Unga vuxna och medel\u00e5lders personer i dag \u00e5ldras mer p\u00e5 molekyl\u00e4r niv\u00e5, j\u00e4mf\u00f6rt med tidigare generationer, <a class=\"aw__sc-ngllmo-1 bTDnwX yle__article__link\" href=\"https:\/\/www.nature.com\/articles\/s41591-026-04448-w#Sec1\" role=\"link\" rel=\"nofollow noopener\" target=\"_blank\">enligt en ny studie<\/a> publicerad i den vetenskapliga tidskriften Nature Medicine.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Studien bygger bland annat p\u00e5 blodv\u00e4rden fr\u00e5n mer \u00e4n 160\u00a0000 personer i Storbritannien och USA. Genom att m\u00e4ta proteiner i blodet har forskarna kunnat se hur olika organ \u00e5ldras.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Det h\u00e4r inre biologiska slitaget har de kopplat till en \u00f6kad risk f\u00f6r tidig lung-, livmoder- och mag-tarmcancer, bland annat tjocktarmscancer.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Troliga orsaker till det snabbare \u00e5ldrandet \u00e4r b\u00e5de den egna livsstilen och milj\u00f6faktorer.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Det biologiska slitaget kan leda till l\u00e5ngvarig inflammation och kan f\u00f6rsvaga immunf\u00f6rsvaret, vilket i sin tur kan g\u00f6ra det l\u00e4ttare f\u00f6r cancerceller att b\u00e5de uppst\u00e5 och sprida sig.<\/p>\n<p>Liknande trend i Finland<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Den ledande \u00f6verl\u00e4karen och direkt\u00f6ren p\u00e5 HUS Cancercentrum, <strong class=\"aw__sc-ngllmo-2 gdRrun yle__article__strong\">Johanna Mattson<\/strong>, h\u00e5ller med om studiens analys.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Det \u00e4r rimligt att den accelererande biologiska \u00e5ldern skulle kunna vara en drivande faktor bakom det \u00f6kande antalet cancerfall hos dem som \u00e4r yngre \u00e4n 50 \u00e5r, s\u00e4ger hon.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">\u2013 Det verkar vara s\u00e5. Under de senaste \u00e5rtiondena har vi ocks\u00e5 m\u00e4rkt att puberteten b\u00f6rjar tidigare.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Mellan 1990 och 2019 \u00f6kade cancerfallen globalt med 24 procent bland personer under 50 \u00e5r.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Trenden syns ocks\u00e5 i Finland. H\u00e4r har till exempel tjocktarmscancer blivit klart vanligare bland 40\u201349-\u00e5ringar.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">\u2013 Man ser en tydlig \u00f6kning, s\u00e4ger Mattson.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Hon betonar \u00e4nd\u00e5 samtidigt att fast\u00e4n cancer blivit vanligare bland yngre vuxna, s\u00e5 drabbar cancer framf\u00f6r allt \u00e4ldre personer.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Forskarna fann dessutom att ett \u00e5ldrat immunsystem \u00e4r s\u00e4rskilt kopplat till tidig lungcancer, medan \u00e5ldrad fettv\u00e4vnad har ett samband med tjocktarmscancer.<\/p>\n<p>Begr\u00e4nsningar i studien<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Samtidigt \u00e4r det viktigt att n\u00e4mna att det h\u00e4r \u00e4r en observationsstudie, vilket betyder att den visar samband, men inte kan bevisa orsakssamband.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Resultaten bygger p\u00e5 amerikanska och brittiska f\u00f6rh\u00e5llanden, vilket g\u00f6r att vi inte vet exakt hur v\u00e4l de g\u00e4ller ocks\u00e5 i Finland.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">\u2013 De h\u00e4r resultaten \u00e4r mycket intressanta. Man borde validera dem i olika l\u00e4nder, ocks\u00e5 i Finland, s\u00e4ger Johanna Mattson.<\/p>\n<p>Orsaker till det snabbare \u00e5ldrandet<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Studiens resultat kvarst\u00e5r oberoende av genetiska faktorer, vilket styrker att milj\u00f6 och livsstil kan spela en avg\u00f6rande roll.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">De som \u00e4r yngre \u00e4n 50 \u00e5r i dag uts\u00e4tts f\u00f6r fler oh\u00e4lsosamma faktorer \u00e4n tidigare generationer. Det handlar bland annat om kemikalier och milj\u00f6gifter som PFAS-f\u00f6reningar och mikroplaster.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Forskarna pekar ocks\u00e5 p\u00e5 oh\u00e4lsosam kost, stillasittande och rubbad dygnsrytm som riskfaktorer.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">\u2013 Det \u00e4r viktigt att \u00e4ta h\u00e4lsosamt, att undvika \u00f6vervikt och att motionera regelbundet, s\u00e4ger Johanna Mattson.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">F\u00f6rutom individens egna val lyfter Mattson fram skolans viktiga roll i att fr\u00e4mja en h\u00e4lsosam livsstil.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">N\u00e4r folk \u00e5ldras snabbare rent biologiskt, s\u00e5 inneb\u00e4r det att det kan bli aktuellt att s\u00e4nka \u00e5ldersgr\u00e4nserna f\u00f6r cancerscreening i framtiden.<\/p>\n<p class=\"aw__sc-1qwuw0s-0 aw__sc-ngllmo-0 epAWpq fzYpjk yle__article__paragraph\">Men f\u00f6rst kr\u00e4vs mer forskning f\u00f6r att bekr\u00e4fta sambanden och utveckla effektiva f\u00f6rebyggande strategier.<\/p>\n","protected":false},"excerpt":{"rendered":"Antalet cancerfall har \u00f6kat kraftigt p\u00e5 global niv\u00e5. En ny studie kopplar \u00f6kningen till milj\u00f6faktorer och livsstilsvanor, som&hellip;\n","protected":false},"author":2,"featured_media":292910,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[69],"tags":[2069,1761,2296,684,632,113,112,683,18402,3834,27033,34,10123,31,33,32,30,83],"class_list":["post-292909","post","type-post","status-publish","format-standard","has-post-thumbnail","category-halsa","tag-aldrande","tag-cancer","tag-cancersjukdomar","tag-finland","tag-forskning","tag-halsa","tag-health","tag-inrikes","tag-kemikalier","tag-livsstil","tag-miljofaktorer","tag-se","tag-studier","tag-svenska","tag-sverige","tag-sweden","tag-swedish","tag-vetenskap"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@se\/116843730208868783","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/292909","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/comments?post=292909"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/292909\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media\/292910"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media?parent=292909"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/categories?post=292909"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/tags?post=292909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}