{"id":507123,"date":"2026-05-28T15:55:18","date_gmt":"2026-05-28T15:55:18","guid":{"rendered":"https:\/\/www.europesays.com\/ie\/507123\/"},"modified":"2026-05-28T15:55:18","modified_gmt":"2026-05-28T15:55:18","slug":"two-dose-nasal-spray-could-reverse-brain-aging","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ie\/507123\/","title":{"rendered":"Two-dose nasal spray could reverse brain aging"},"content":{"rendered":"<p>One spray could turn back the clock.<\/p>\n<p>Scientists have developed a therapy that they say could reverse <a href=\"https:\/\/nypost.com\/2026\/05\/20\/health\/early-sign-of-cognitive-decline-may-be-hiding-in-plain-sight\/\" rel=\"nofollow noopener\" target=\"_blank\">brain aging<\/a>, restoring memory and focus that\u2019s typically lost over time.<\/p>\n<p>And just two doses showed improvements in cognitive function \u2014 a notable result, as new dementia cases are projected to double over the next four decades, reaching<a href=\"https:\/\/www.nih.gov\/news-events\/nih-research-matters\/risk-future-burden-dementia-united-states\" target=\"_blank\" rel=\"noopener nofollow\"> about 1 million in 2060<\/a>.<\/p>\n<p><img style=\"aspect-ratio:1.49926794;display:block\" loading=\"lazy\" decoding=\"async\" data-modal-image=\"39499121\" width=\"885\" height=\"590\" src=\"https:\/\/www.europesays.com\/ie\/wp-content\/uploads\/2026\/05\/senior-woman-flu-using-nasal-128817342.jpg\" alt=\"A woman with gray hair using nasal spray for allergies.\" class=\"wp-image-39499121\"  \/>A new therapy in an easy-to-use nasal spray has been developed to reverse brain aging, improving memory and focus. Rido \u2013 stock.adobe.com<\/p>\n<p>Researchers have long known that <a href=\"https:\/\/nypost.com\/2025\/01\/04\/health\/researchers-discover-aging-hotspot-in-the-brain-and-the-fine-could-have-big-implications-for-patients\/\" rel=\"nofollow noopener\" target=\"_blank\">inflammation<\/a> plays a role in how brains age, a process known as \u201cneuroinflammaging\u201d that can interfere with memory, thinking and how the brain adapts to new situations.<\/p>\n<p>In a <a href=\"https:\/\/isevjournals.onlinelibrary.wiley.com\/doi\/10.1002\/jev2.70232\" target=\"_blank\" rel=\"noopener nofollow\">study<\/a> from researchers at Texas A&amp;M University, two doses of a nasal spray dramatically reduced brain inflammation, restored the brain\u2019s cellular power plants and significantly improved memory in mice.<\/p>\n<p>The most surprising outcome of the study was that the results occurred in a matter of weeks and lasted for months.<\/p>\n<p>The spray uses millions of microscopic biological particles called extracellular vesicles that transport genetic material between cells.<\/p>\n<p>They carried microRNAs that modulate and regulate gene and signaling pathways in the brain.<\/p>\n<p>By sending the particles through the nose, they were able to bypass the brain\u2019s protective barrier and be delivered straight to the brain tissue.<\/p>\n<p>Once inside the brain, the treatment targeted cells involved with chronic inflammation that are linked to aging.<\/p>\n<p>The spray did more than reduce inflammation in the brain, though, by restoring brain cell energy via the mitochondria (the power plants inside cells).<\/p>\n<p><img style=\"aspect-ratio:1.49926794;display:block\" loading=\"lazy\" decoding=\"async\" data-modal-image=\"39499122\" width=\"885\" height=\"590\" src=\"https:\/\/www.europesays.com\/ie\/wp-content\/uploads\/2026\/05\/female-chronic-mental-illness-feel-128817366.jpg\" alt=\"A middle-aged woman sits on a modern grey couch, holding her temples due to a headache.\" class=\"wp-image-39499122\"  \/>The spray is able to be absorbed by the brain, which then reduces inflammation that can contribute to brain aging. brizmaker \u2013 stock.adobe.com<\/p>\n<p>Mitochondria can be damaged by aging and inflammation, making brain cells less efficient.<\/p>\n<p>This restoration of the cells\u2019 energy better allowed them to process and store information.<\/p>\n<p>It\u2019s also not just about biological improvements, but real-world observable ones: Treated animals performed better in behavioral testing on memory and recognition tasks.<\/p>\n<p>They were also more successful at identifying familiar objects, recognizing new ones and detecting changes in their surroundings compared to untreated controls.<\/p>\n<p>The treatment could have broader uses for neurodegenerative conditions, such as dementia.<\/p>\n<p>\u201cAs we develop and scale this therapy, a simple, two-dose nasal spray could one day replace invasive, risky procedures or maybe even months of medication,\u201d study lead Dr. Ashok Shetty said in a <a href=\"https:\/\/stories.tamu.edu\/news\/2026\/04\/14\/scientists-reverse-brain-aging-with-a-nasal-spray\/\" target=\"_blank\" rel=\"noopener nofollow\">press release<\/a>.<\/p>\n<p>The researchers are also hopeful that the treatment could potentially help stroke patients recover brain function or slow cognitive decline related to aging.<\/p>\n","protected":false},"excerpt":{"rendered":"One spray could turn back the clock. Scientists have developed a therapy that they say could reverse brain&hellip;\n","protected":false},"author":2,"featured_media":507124,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[274],"tags":[2429,31234,868,18,135,19,17,4109,462,14176],"class_list":["post-507123","post","type-post","status-publish","format-standard","has-post-thumbnail","category-medication","tag-aging","tag-brains","tag-dementia","tag-eire","tag-health","tag-ie","tag-ireland","tag-longevity","tag-medication","tag-study-says"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ie\/116653020678826468","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts\/507123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/comments?post=507123"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/posts\/507123\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/media\/507124"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/media?parent=507123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/categories?post=507123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ie\/wp-json\/wp\/v2\/tags?post=507123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}