{"id":40876,"date":"2022-06-01T16:52:41","date_gmt":"2022-06-01T16:52:41","guid":{"rendered":"https:\/\/solongevity.com\/longevity-news\/can-antioxidants-reduce-the-risk-of-dementia\/"},"modified":"2026-11-03T16:18:52","modified_gmt":"2026-11-03T16:18:52","slug":"can-antioxidants-reduce-the-risk-of-dementia","status":"publish","type":"post","link":"https:\/\/solongevity.com\/en\/longevity-news\/can-antioxidants-reduce-the-risk-of-dementia\/","title":{"rendered":"Can Antioxidants Reduce the Risk of Dementia?"},"content":{"rendered":"<div id=\"title_text-block_623c6419c27ba\">\n          <p lang=\"it-IT\" align=\"LEFT\"><em>Higher blood levels of three carotenoids &#8211; lutein, zeaxanthin and cryptoxanthin &#8211; in middle-aged people are associated with a lower risk of developing a form of dementia over the years. The study in Neurology <\/em><\/p>\n<p><b><i>What this article is about<\/i><\/b><\/p>\n<ul>\n<li><em><span style=\"font-weight: 400\">Numerous studies show that antioxidants can counteract neurodegeneration<\/span><\/em><\/li>\n<li><em><span style=\"font-weight: 400\">A recent study published in Neurology shows that high blood levels of the carotenoids lutein, zeaxanthin and cryptoxanthin are correlated with a lower risk of developing dementia<\/span><\/em><\/li>\n<li><em><span style=\"font-weight: 400\">Further research will be needed to establish whether supplementing them could play a role in preventing these conditions, including Alzheimer&#8217;s<\/span><\/em><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><em><b>Other topics you may be interested in<\/b><\/em><\/p>\n<ul>\n<li><em><a href=\"https:\/\/solongevity.com\/en\/longevity-news\/new-molecule-to-combat-cognitive-decline\/\" target=\"_blank\" rel=\"noopener\">A new molecule to counteract cognitive decline<\/a><\/em><\/li>\n<li><em><a href=\"https:\/\/solongevity.com\/en\/longevity-news\/assessing-brain-age-while-sleeping\/\" target=\"_blank\" rel=\"noopener\">Measuring cognitive age while you sleep<\/a><\/em><\/li>\n<li><em><a href=\"https:\/\/solongevity.com\/en\/longevity-news\/which-diet-to-gain-health-a-short-guide-for-self-orientation\/\" target=\"_blank\" rel=\"noopener\">Which diet to follow to gain in health? A short guide to finding your way <\/a><\/em><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<\/div>\n<div id=\"title_text-block_623c5db9c27b1\">\n        <h3 class=\"article-title\">What was discovered?<\/h3>\n          <p>Some antioxidants could play an important role against <strong>dementia<\/strong>. A US research group, which includes the <a href=\"https:\/\/www.nia.nih.gov\/\"><strong>National Institute on Aging<\/strong><\/a>, has in fact shown that in middle age higher blood levels of certain <strong>antioxidants<\/strong> are associated with a lower risk of developing one of the various forms of dementia in the future, including <strong>Alzheimer&#8217;s<\/strong>. The substances in question are three <strong>carotenoids<\/strong> &#8211; <strong>lutein<\/strong>, <strong>zeaxanthin<\/strong> and <strong>cryptoxanthin<\/strong> &#8211; and the results of the study are <a href=\"https:\/\/n.neurology.org\/content\/early\/2022\/05\/04\/WNL.0000000000200289\" target=\"_blank\" rel=\"noopener\">published in <em>Neurology<\/em><\/a>.  <\/p>\n<\/div>\n<div id=\"title_text-block_623c5e4dc27b2\">\n        <h3 class=\"article-title\">What role do antioxidants play?<\/h3>\n          <p>Antioxidants counteract the formation of oxygen radicals, that is, <strong>free radicals<\/strong>. These chemical by-products can be dangerous because they underlie degenerative processes and possible cell damage, which in turn can lead to the development of numerous diseases. Several studies suggest that antioxidants have a protective role against neurodegeneration. Against this background, the US researchers set out to study the possible relationship between the levels of certain specific molecules in our body and the risk of dementia.   <\/p>\n<\/div>\n<div id=\"custom_quote-block_623c5e70c27b3\" class=\"quote\">\n  <p class=\"quote\"><em>Antioxidants may have a protective role against neurodegenerative processes<\/em>\n<\/p>\n<\/div>\n<div id=\"title_text-block_623c5e87c27b4\">\n        <h3 class=\"article-title\">How was the study conducted?<\/h3>\n          <p align=\"LEFT\">The authors involved almost 8,000 participants aged 45 and over, who underwent a general clinical checkup and the measurement of certain antioxidants in the blood. Starting from this first test, the observation period lasted on average 16 years. <\/p>\n<p><img fetchpriority=\"high\" fetchpriority=\"high\" decoding=\"async\" fetchpriority=\"high\" class=\"size-full wp-image-10133\" src=\"https:\/\/solongevity.com\/wp-content\/uploads\/2022\/11\/shutterstock_2065089380.jpg\" alt=\"\" width=\"1000\" height=\"731\"> Some foods containing the carotenoids investigated in the study: lutein, zeaxanthin and cryptoxanthin<\/p>\n<\/div>\n<div id=\"title_text-block_6297820226824\">\n        <h3 class=\"article-title\"> <\/h3>\n          <p>Within the group, the incidence of cases of all forms of dementia detected over the entire course of the study was lower for people who had higher levels of <strong>lutein and zeaxanthin <\/strong>considered together. <strong>Beta-cryptoxanthin<\/strong> (or simply cryptoxanthin) also proved potentially protective, even when considered on its own: once again, in fact, as the blood level of the substance increased, the risk of dementia decreased. <\/p>\n<\/div>\n<div id=\"custom_quote-block_623c5e9dc27b5\" class=\"quote\">\n  <p class=\"quote\"><strong><em>Higher levels of lutein, zeaxanthin and cryptoxanthin were correlated with a lower risk of dementia<\/em><\/strong>\n<\/p>\n<\/div>\n<div id=\"title_text-block_623d9ea092112\">\n        <h3 class=\"article-title\">Where are these antioxidants found?<\/h3>\n          <p>Lutein and zeaxanthin are found in <strong>green vegetables<\/strong> such as <strong>cabbage<\/strong>, <strong>broccoli<\/strong>, <strong>spinach<\/strong>, <strong>peas<\/strong> and <strong>leafy vegetables<\/strong>, while cryptoxanthin is found mainly in certain <strong>fruits<\/strong>, such as <strong>oranges<\/strong>, <strong>papaya<\/strong>, <strong>mandarins<\/strong> and <strong>persimmons<\/strong>. But what about possible supplementation? \u201cFurther studies are needed to assess whether supplementation with these antioxidants can protect against dementia,\u201d commented one of the authors of the research, May A. Beydoun of the US National Institutes of Health, recalling that \u201cprolonging cognitive performance is a public health challenge\u201d. This applies overseas as well as in Italy, where more than one million people currently live with dementia (according to estimates by the <a href=\"https:\/\/www.iss.it\/news\/-\/asset_publisher\/gJ3hFqMQsykM\/content\/id\/5844710\" target=\"_blank\" rel=\"noopener\">Istituto Superiore di Sanit\u00e0)<\/a>, 600,000 of whom have Alzheimer&#8217;s.   <\/p>\n<\/div>\n<div class=\"section related-news\">\n  <div id=\"relatedposts-block_5ec650d30e176\" class=\"news-row w-row\">\n      <div class=\"w-col w-col-4 w-col-stack\">\n      <a href=\"https:\/\/solongevity.com\/en\/longevity-news\/why-and-which-food-supplements\/\" class=\"news-thumbnail w-inline-block\">\n        <img decoding=\"async\" src=\"https:\/\/solongevity.com\/wp-content\/uploads\/2022\/11\/shutterstock_1525473638-scaled29181634.jpg\" alt=\"\" class=\"thumbnail-img\">\n        <div class=\"thumbnail-container\">\n          <div class=\"meta\">\n          News          <\/div>\n          <h2 class=\"heading-7\">Food Supplements_1: Do we need them? If so, which ones and how many?<\/h2>\n          <p>The first of a series of articles to guide you into the world of dietary supplements. It starts from basic: what we should be aware of before approaching the food supplements&#8217; shelf in pharmacies and herbalists, or in the supermarket<\/p>\n        <\/div>\n        <div class=\"thumbnail-readmore-box\">\n          <p class=\"read-more\">Leggi l&#x27;articolo<\/p>\n        <\/div>\n      <\/a>\n    <\/div>\n      <div class=\"w-col w-col-4 w-col-stack\">\n      <a href=\"https:\/\/solongevity.com\/en\/longevity-news\/fermented-foods-improve-gut-health\/\" class=\"news-thumbnail w-inline-block\">\n        <img decoding=\"async\" src=\"https:\/\/solongevity.com\/wp-content\/uploads\/2022\/11\/shutterstock_2037112178-scaled12085628.jpg\" alt=\"\" class=\"thumbnail-img\">\n        <div class=\"thumbnail-container\">\n          <div class=\"meta\">\n          News          <\/div>\n          <h2 class=\"heading-7\">Fermented Foods Improve Gut Health<\/h2>\n          <p>A diet rich in these foods increases the diversity of microorganisms in the gut microbiome and reduces inflammation.<\/p>\n        <\/div>\n        <div class=\"thumbnail-readmore-box\">\n          <p class=\"read-more\">Leggi l&#x27;articolo<\/p>\n        <\/div>\n      <\/a>\n    <\/div>\n    <\/div>\n<\/div>\n&#13;\n<p> <\/p>&#13;\n","protected":false},"excerpt":{"rendered":"<p>High levels of antioxidants in the blood, in middle age and in older adults, are on average associated with a lower risk of later developing a form of dementia<\/p>\n","protected":false},"author":1,"featured_media":1109,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[158,60],"tags":[163,168],"class_list":["post-40876","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-en","category-old-posts","tag-cognitive-ageing","tag-nutraceutics"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO 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