{"id":12803,"date":"2026-02-10T00:50:59","date_gmt":"2026-02-09T20:50:59","guid":{"rendered":"https:\/\/medscriptum.org\/demencia-susti-cirkaduli-ritmi-biologiuri-saati\/"},"modified":"2026-02-10T01:04:09","modified_gmt":"2026-02-09T21:04:09","slug":"demencia-susti-cirkaduli-ritmi-biologiuri-saati","status":"publish","type":"post","link":"https:\/\/medscriptum.org\/en\/demencia-susti-cirkaduli-ritmi-biologiuri-saati\/","title":{"rendered":"Weak circadian rhythm, what does dementia have to do with a disrupted biological clock?"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p data-path-to-node=\"4\">It is no longer a secret that sleep is an integral part of our lives, holding far greater significance than we often imagine. It is during sleep that the body undergoes cellular-level restoration and physiological rejuvenation. This process is governed entirely behind the scenes by circadian rhythms. According to a new study conducted by the UT Southwestern Medical Center, disruptions in daily rhythms among the elderly are associated with a significantly increased risk of developing dementia.<\/p>\n<p data-path-to-node=\"5\">The internal biological clock, or circadian rhythm, regulates human sleep, metabolic activity, hormonal secretory functions, and many other processes within the body. A study of over 2,000 elderly individuals showed that those with weak, irregular, or late-shifted lifestyles developed signs of dementia in subsequent years.<\/p>\n<p data-path-to-node=\"6\">During one phase of the study, participants wore brain activity monitors for approximately 12 days to record rest and activity cycles. This method is unique because:<\/p>\n<ul data-path-to-node=\"7\">\n<li style=\"list-style-type: none;\">\n<ul data-path-to-node=\"7\">\n<li>\n<p data-path-to-node=\"7,0,0\">It does not rely solely on subjective self-assessment.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,1,0\">It provides data based on real, daily behavior.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,2,0\">It can be used non-invasively for large populations.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"attachment-container search-images\">\n<div class=\"image-container ng-star-inserted\" data-full-size-image-uri=\"https:\/\/encrypted-tbn2.gstatic.com\/licensed-image?q=tbn:ANd9GcTuRMhNVa_gMQPVBUqIfgEGlz5acDOf7TEzQHJW-zAFs8sM8gf2_Cfz1IxsKMqrLiJa6aqZ2Zd14Jg_v-4nbTi2u6KNwobHu2HUYUsEocyN2zd8jUc\">\n<div class=\"overlay-container ng-star-inserted\"><button class=\"image-button ng-star-inserted\"><img decoding=\"async\" class=\"licensed-image loaded\" src=\"https:\/\/encrypted-tbn2.gstatic.com\/licensed-image?q=tbn:ANd9GcTuRMhNVa_gMQPVBUqIfgEGlz5acDOf7TEzQHJW-zAFs8sM8gf2_Cfz1IxsKMqrLiJa6aqZ2Zd14Jg_v-4nbTi2u6KNwobHu2HUYUsEocyN2zd8jUc\" alt=\"circadian rhythm cycle-\u10d8\u10e1 \u10e1\u10e3\u10e0\u10d0\u10d7\u10d8\" \/><\/button><\/p>\n<div class=\"licensed-image-source ng-star-inserted\"><span class=\"label ellipsis gds-body-s\">Shutterstock<\/span><\/div>\n<div class=\"explore-tag ng-star-inserted\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-path-to-node=\"9\">The findings revealed that individuals with weak circadian rhythms (a less distinct difference between active and inactive periods) had a 2.5 times higher risk of developing dementia in the following years compared to those with strong rhythms.<\/p>\n<p data-path-to-node=\"10\">Significance Given that similar studies by other <a href=\"https:\/\/medscriptum.org\/en\/a-new-study-has-determined-why-insufficient-sleep-and-hypertension-increase-the-risk-of-dementia\/\">influential institutions<\/a> have yielded nearly identical results, this serves as further evidence that we must pay special attention to sleep hygiene. The rhythm helps the body synchronize with the 24-hour cycle. With aging and an irregular lifestyle, a weakened rhythm can lead to poor sleep quality, increased inflammation, and impaired brain function.<\/p>\n<p data-path-to-node=\"11\">Future Research Researchers plan to investigate the following:<\/p>\n<ol start=\"1\" data-path-to-node=\"12\">\n<li>\n<p data-path-to-node=\"12,0,0\">Whether circadian rhythms can be corrected (e.g., through light therapy, timing of physical activity, or stabilizing sleep patterns).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,1,0\">Whether such interventions can reduce the risk or slow the progression of already manifested dementia.<\/p>\n<\/li>\n<\/ol>\n<p data-path-to-node=\"13\">While this study does not establish a direct cause-and-effect relationship, it clearly indicates that changes in circadian rhythms can be considered an early warning sign of cognitive decline. This suggests that monitoring sleep and daily activity could become a key component of future strategies for dementia research and early diagnosis<\/p>\n<p>&nbsp;<\/p>\n<p>sorce:<a href=\"https:\/\/www.sciencedaily.com\/releases\/2026\/01\/260103155026.htm\" target=\"_blank\" rel=\"noopener\">sciencedaily<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; It is no longer a secret that sleep is an integral part of our lives, holding far greater significance than we often imagine. It is during sleep that the body undergoes cellular-level restoration and physiological rejuvenation. This process is governed entirely behind the scenes by circadian rhythms. According to a new study conducted by [&hellip;]<\/p>\n","protected":false},"author":28,"featured_media":12801,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1594],"tags":[],"class_list":["post-12803","post","type-post","status-publish","format-standard","has-post-thumbnail","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/medscriptum.org\/en\/wp-json\/wp\/v2\/posts\/12803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medscriptum.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medscriptum.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medscriptum.org\/en\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/medscriptum.org\/en\/wp-json\/wp\/v2\/comments?post=12803"}],"version-history":[{"count":3,"href":"https:\/\/medscriptum.org\/en\/wp-json\/wp\/v2\/posts\/12803\/revisions"}],"predecessor-version":[{"id":12818,"href":"https:\/\/medscriptum.org\/en\/wp-json\/wp\/v2\/posts\/12803\/revisions\/12818"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medscriptum.org\/en\/wp-json\/wp\/v2\/media\/12801"}],"wp:attachment":[{"href":"https:\/\/medscriptum.org\/en\/wp-json\/wp\/v2\/media?parent=12803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medscriptum.org\/en\/wp-json\/wp\/v2\/categories?post=12803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medscriptum.org\/en\/wp-json\/wp\/v2\/tags?post=12803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}