{"id":617985,"date":"2026-05-01T21:05:15","date_gmt":"2026-05-01T21:05:15","guid":{"rendered":"https:\/\/www.newsbeep.com\/us\/617985\/"},"modified":"2026-05-01T21:05:15","modified_gmt":"2026-05-01T21:05:15","slug":"popular-supplement-linked-to-slower-brain-repair-raises-dementia-concerns","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us\/617985\/","title":{"rendered":"Popular supplement linked to slower brain repair raises dementia concerns"},"content":{"rendered":"<p>Fish oil has been hailed as one of the best supplements for brain health, but new findings have called this widely held belief into question.<\/p>\n<p>The compound has previously been recognised for its ability to reduce inflammation, positioning it as a key player in the fight against cardiovascular disease.<\/p>\n<p>And while scientific evidence has repeatedly suggested it is one of the most important components of a healthy diet, evidence for the benefits of taking supplements has been less conclusive.<\/p>\n<p>The latest body of research looking at the neurovascular system has suggested that fish supplements could do more harm than good for certain people.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"166dc\" data-rm-shortcode-id=\"31d445b26eb0a8e90c8716537a0a4e08\" data-rm-shortcode-name=\"rebelmouse-image\" class=\"rm-shortcode rm-lazyloadable-image \" lazy-loadable=\"true\" src=\"data:image\/svg+xml,%3Csvg%20xmlns='http:\/\/www.w3.org\/2000\/svg'%20viewBox='0%200%201200%20800'%3E%3C\/svg%3E\" data-runner-src=\"https:\/\/www.newsbeep.com\/us\/wp-content\/uploads\/2026\/05\/supplements.jpg\" width=\"1200\" height=\"800\" alt=\"SUPPLEMENTS\"\/><\/p>\n<p>Fish oil has long been lauded for its anti-inflammatory effects<\/p>\n<p> | <\/p>\n<p>GETTY<\/p>\n<p>Lead author Onder Albayram, PhD, neuroscientist and associate professor at the Medical University of South Carolina and a member of the National Trauma Society Committee, said: \u201cFish oil supplements are everywhere, and people take them for a range of reasons, often without a clear understanding of their long-term effects.<\/p>\n<p>\u201cWe still don\u2019t know whether the brain has resilience or resistance to this supplement.\u201d<\/p>\n<p>The findings, published in Cell Reports, suggest a specific chemical compound known as EPA could disrupt the brain\u2019s healing process after an injury.<\/p>\n<p>More specifically, it appeared to make the walls of the brain\u2019s blood vessels less stable, presenting a challenge for blood vessels that need to repair themselves following an injury.<\/p>\n<p>Fish oil disrupts repair signals put out by the brain after physical trauma, the researchers noted. <\/p>\n<p>They also discovered a link between the supplement and a build-up of tau protein, which is linked to brain illnesses.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"203e6\" data-rm-shortcode-id=\"f012399aac72145d83efce18db927dbc\" data-rm-shortcode-name=\"rebelmouse-image\" class=\"rm-shortcode rm-lazyloadable-image \" lazy-loadable=\"true\" src=\"data:image\/svg+xml,%3Csvg%20xmlns='http:\/\/www.w3.org\/2000\/svg'%20viewBox='0%200%201200%20800'%3E%3C\/svg%3E\" data-runner-src=\"https:\/\/www.newsbeep.com\/us\/wp-content\/uploads\/2026\/05\/brain-scan.jpg\" width=\"1200\" height=\"800\" alt=\"Brain scan\"\/><\/p>\n<p>Fish oil may disrupt the repair process of the blood vessels in the brain<\/p>\n<p> | <\/p>\n<p>GETTY<\/p>\n<p>It&#8217;s worth noting that the effects were observed in mice, meaning further research is needed to establish what the impact would be on people.<\/p>\n<p>Furthermore, scientists focused on cases of \u201crepeated mild head injuries\u201d. Consequently, the findings may not apply to anyone who has not suffered an injury to the head.<\/p>\n<p>\u201cI am not saying fish oil is good or bad in some universal way,\u201d Professor Albayram said. \u201cWhat our data highlight is that biology is context-dependent. <\/p>\n<p>\u201cWe need to understand how these supplements behave in the body over time, rather than assuming the same effect applies to everyone.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"Fish oil has been hailed as one of the best supplements for brain health, but new findings have&hellip;\n","protected":false},"author":2,"featured_media":617986,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61],"tags":[1103,97,3,269,1500],"class_list":["post-617985","post","type-post","status-publish","format-standard","has-post-thumbnail","category-nutrition","tag-dementia","tag-health","tag-news","tag-nutrition","tag-sgg"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/617985","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/comments?post=617985"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/617985\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media\/617986"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media?parent=617985"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/categories?post=617985"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/tags?post=617985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}