{"id":34388,"date":"2018-09-06T10:36:01","date_gmt":"2018-09-06T08:36:01","guid":{"rendered":"https:\/\/www.greatitalianfoodtrade.it\/?p=34388\/"},"modified":"2025-10-23T11:07:42","modified_gmt":"2025-10-23T09:07:42","slug":"riduzione-dei-carboidrati-e-longevita-studio-di-harvard","status":"publish","type":"post","link":"https:\/\/www.foodtimes.eu\/it\/consumatori-e-salute\/riduzione-dei-carboidrati-e-longevita-studio-di-harvard\/","title":{"rendered":"Riduzione dei carboidrati e longevit\u00e0, studio di Harvard"},"content":{"rendered":"<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">L\u2019Universit\u00e0 di\u00a0<\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">Harvard<\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0considera i rischi per la salute legati a privazioni eccessive o abusi di\u00a0<\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">carboidrati<\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">. E i vantaggi, al contempo, di una dieta equilibrata ove i carboidrati lascino maggiore spazio a <\/span><\/span><\/span><span style=\"color: #000080;\"><span lang=\"zxx\"><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">proteine e grassi vegetali<\/span><\/span><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">.<\/span><\/span><\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/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: #999;color:#999\" 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: #999;color:#999\" 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.foodtimes.eu\/it\/consumatori-e-salute\/riduzione-dei-carboidrati-e-longevita-studio-di-harvard\/#Carboidrati_squilibri_in_difetto_e_in_eccesso\" >Carboidrati, squilibri in difetto e in eccesso<\/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.foodtimes.eu\/it\/consumatori-e-salute\/riduzione-dei-carboidrati-e-longevita-studio-di-harvard\/#Diete_low-carb_proteine_e_grassi_vegetali\" >Diete\u00a0low-carb, proteine e grassi vegetali<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Carboidrati_squilibri_in_difetto_e_in_eccesso\"><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>Carboidrati, squilibri in difetto e in eccesso<\/b><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>Una\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>dieta<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>\u00a0estremamente povera<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0di carboidrati, a favore di proteine e grassi animali,\u00a0potrebbe ridurre\u00a0l\u2019aspettativa\u00a0di vita\u00a0fino a 4 anni. Al pari quella che, all\u2019opposto, ecceda negli apporti di\u00a0carboidrati. \u00c8 quanto emerge da uno\u00a0studio osservazionale di Harvard, recentemente pubblicato su\u00a0<\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><i>The Lancet<\/i><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">. (1)<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>\u2018<\/b><\/span><\/span><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><i><b>Questi risultati\u00a0<\/b><\/i><\/span><\/span><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><i>mettono insieme diversi filoni che sono stati controversi: troppi e troppo pochi carboidrati possono essere dannosi, ma quello che conta di pi\u00f9 \u00e8 il tipo di grassi, proteine \u200b\u200be carboidrati, oltre al quantitativo totale<\/i><\/span><\/span><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u2019, ha dichiarato Walter Willett, professore di Epidemiologia e Nutrizione di\u00a0<\/span><\/span><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><i>Harvard T.H. Chan School of Public Health<\/i><\/span><\/span><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0e co-autore dello studio.\u00a0<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>La ricerca<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0ha considerato oltre 15.400 consumatori in USA, i quali hanno hanno fornito informazioni sulle loro abitudini alimentari nell\u2019ambito dello studio sul potenziale Rischio di Aterosclerosi nelle comunit\u00e0 (ARIC) tra il 1987 e il 1989.<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>I soggetti esaminati<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0hanno completato un questionario sulla loro dieta &#8211; tipi di alimenti e bevande,\u00a0quantit\u00e0 e frequenza di consumo &#8211; all&#8217;inizio dello studio e 6 anni dopo.\u00a0Su tali basi i ricercatori hanno stimato gli apporti energetici e le quote che derivano da carboidrati, grassi e proteine.\u00a0Il\u00a0<\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><i>follow-up\u00a0<\/i><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">medio \u00e8 stato di 25 anni, periodo durante il quale sono mancati 6.283 partecipanti.<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>A esito dello studio<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0\u00e8 emerso che una dieta squilibrata in difetto,\u00a0o viceversa in eccesso di carboidrati\u00a0(meno del 40% o oltre il 70% dell&#8217;apporto energetico quotidiano totale) \u00e8 strettamente\u00a0correlata a un aumento del rischio di\u00a0mortalit\u00e0 prematura.\u00a0<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>I risultati peraltro variano<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0in ragione della fonte dei macronutrienti. La mortalit\u00e0 prematura \u00e8 aumentata quando i carboidrati sono stati sostituiti con grassi o proteine \u200b\u200bdi derivazione animale. Ed \u00e8 viceversa diminuita quando le sostituzioni hanno avuto luogo con proteine e grassi\u00a0di origine vegetale.<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>Il consumo moderato di carboidrati<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">, pari al 50-55% dell&#8217;apporto energetico giornaliero, \u00e8 in tutti i casi risultato associato a un minor rischio di mortalit\u00e0 prematura.<\/span><\/span><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Diete_low-carb_proteine_e_grassi_vegetali\"><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>Diete\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><i><b>low-carb<\/b><\/i><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>, proteine e grassi vegetali<\/b><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>I ricercatori hanno stimato<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0che, a partire dai 50 anni di et\u00e0, le persone che seguono una dieta con un moderato consumo di carboidrati hanno un&#8217;aspettativa di vita ulteriore di\u00a033 anni. Quattro anni in pi\u00f9 rispetto a quelli che seguono diete a contenuti estremamente bassi di carboidrati, 2,3 anni in pi\u00f9 rispetto a quelli con bassi contenuti di carboidrati e 1,1 anni in pi\u00f9 rispetto al gruppo ad alto contenuto di carboidrati.<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>Le diete\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><i><b>low carb<\/b><\/i><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0hanno ottenuto grande popolarit\u00e0, in USA come in Europa, poich\u00e9 consentono rapide perdite di peso\u00a0in tempi brevi. Gli studi randomizzati su diete a basso contenuto di carboidrati effettivamente confermano tali risultati, cos\u00ec come la <\/span><\/span><\/span><span style=\"color: #000080;\"><span lang=\"zxx\"><u><a href=\"https:\/\/www.greatitalianfoodtrade.it\/frutta\/frutta-secca\/frutta-secca-benefici\"><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">riduzione del rischio cardiovascolare<\/span><\/span><\/span><\/a><\/u><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">.\u00a0<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>Gli autori dello studio<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0invitano tuttavia a non sottovalutare i\u00a0rischi di mortalit\u00e0 legati al protrarsi di tali\u00a0diete sul lungo periodo. Rischi che spiccano nei soggetti che\u00a0sostituiscano le fonti di carboidrati con cibi ad alto contenuto di grassi e proteine \u200b\u200banimali\u00a0(es. carni di agnello, manzo, maiale e pollo).\u00a0<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>La sostituzione dei carboidrati<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0con proteine \u200b\u200be grassi\u00a0vegetali (es.\u00a0noci, <\/span><\/span><\/span><span style=\"color: #000080;\"><span lang=\"zxx\"><u><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">frutta secca<\/span><\/span><\/span><\/u><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0e <\/span><\/span><\/span><span style=\"color: #000080;\"><span lang=\"zxx\"><u><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">arachidi<\/span><\/span><\/span><\/u><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">, <\/span><\/span><\/span><span style=\"color: #000080;\"><span lang=\"zxx\"><u><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">verdure<\/span><\/span><\/span><\/u><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u00a0e <\/span><\/span><\/span><span style=\"color: #000080;\"><span lang=\"zxx\"><u><a href=\"https:\/\/www.greatitalianfoodtrade.it\/farina\/farina-integrale\"><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">cereali integrali<\/span><\/span><\/span><\/a><\/u><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">), al contrario, non risulta avere impatto negativo sulle aspettative di vita. Entro i parametri generali di una dieta nel complesso varia ed equilibrata.<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>In conclusione<\/b><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">,\u00a0secondo i ricercatori, una dieta equilibrata ove il contenuto di carboidrati sia ridotto in favore di\u00a0proteine e\u00a0grassi \u200b\u200bvegetali sembra poter promuovere un\u2019apprezzabile qualit\u00e0 della vita sul\u00a0lungo termine.<\/span><\/span><\/span><\/p>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><i>Dario Dongo e\u00a0Carlotta Suardi<\/i><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><b>Note<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">(1) The Lancet. \u2018<\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\"><i>Dietary carbohydrate intake and mortality: a prospective cohort study and meta-analysis<\/i><\/span><\/span><\/span><span style=\"color: #222222;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">\u2019\u200b.\u00a0Sara B Seidelmann, Brian Claggett, Susan Cheng, Mir Henglin, Amil Shah, Lyn M Steffen, Aaron R Folsom, Eric BRimm, Walter C Willett, Scott D Solomon.\u00a0Doi:\u00a0<\/span><\/span><\/span><span style=\"color: #000080;\"><span lang=\"zxx\"><u><a href=\"https:\/\/www.thelancet.com\/journals\/lanpub\/article\/PIIS2468-2667(18)30135-X\/fulltext\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #1155cc;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: medium;\">10.1016\/S2468-2667(18)30135-X<\/span><\/span><\/span><\/a><\/u><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019Universit\u00e0 di\u00a0Harvard\u00a0considera i rischi per la salute legati a privazioni eccessive o abusi di\u00a0carboidrati. E i vantaggi, al contempo, di una dieta equilibrata ove i carboidrati lascino maggiore spazio a proteine e grassi vegetali. Carboidrati, squilibri in difetto e in eccesso Una\u00a0dieta\u00a0estremamente povera\u00a0di carboidrati, a favore di proteine e grassi animali,\u00a0potrebbe ridurre\u00a0l\u2019aspettativa\u00a0di vita\u00a0fino a 4 [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":34389,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[1991],"tags":[2195,754,2196],"class_list":["post-34388","post","type-post","status-publish","format-standard","has-post-thumbnail","category-consumatori-e-salute","tag-carboidrati","tag-dieta","tag-harvard"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Riduzione dei carboidrati e longevit\u00e0, studio di Harvard - FoodTimes<\/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:\/\/www.foodtimes.eu\/it\/consumatori-e-salute\/riduzione-dei-carboidrati-e-longevita-studio-di-harvard\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Riduzione dei carboidrati e longevit\u00e0, studio di Harvard - FoodTimes\" \/>\n<meta property=\"og:description\" content=\"L\u2019Universit\u00e0 di\u00a0Harvard\u00a0considera i rischi per la salute legati a privazioni eccessive o abusi di\u00a0carboidrati. E i vantaggi, al contempo, di una dieta equilibrata ove i carboidrati lascino maggiore spazio a proteine e grassi vegetali. 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