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However, something called choline didn\u2019t make that list and is not usually considered in treating anxiety. <\/p>\n
It\u2019s a dietary nutrient found in eggs and beef liver and is often utilized for its positive effect on liver health. <\/p>\n
However, a sweeping review of two decades of brain chemistry data is showing something unexpected \u2013 choline may also improve mood.<\/p>\n
Studying choline and anxiety<\/p>\n
The reading comes from proton magnetic resonance spectroscopy, an MRI technique that does not produce images. <\/p>\n
Instead, it measures the concentrations of small molecules that gather inside brain tissue.<\/p>\n
Researchers have used the technique on people with anxiety disorders for more than 25 years. The literature, until recently, was a mess of inconsistent results.<\/p>\n
Dr. Richard J. Maddock at the University of California, Davis (UC Davis<\/a>) set out with his colleague Dr. Jason Smucny to comb through that literature and look for a signal.<\/p>\n They pulled together 25 datasets from 24 published studies, covering 370 people with an anxiety disorder and 342 controls without one. <\/p>\n One molecule kept dropping hints. Choline-containing compounds in the cortex were about eight percent lower in patients than in the controls.<\/p>\n An eight percent gap<\/p>\n In the broader cortex, the gap between patients and controls held up even when only the highest-quality scans were included. <\/p>\n This showed a surprising and consistent difference by the standards of brain chemistry research.<\/p>\n While the eight percent average reduction sounds modest in everyday terms, it cannot be ignored. <\/p>\n \u201cAn 8% lower amount doesn\u2019t sound like that much, but in the brain<\/a> it\u2019s significant,\u201d said Maddock.<\/p>\n Answers from within<\/p>\n The clearest signal showed up in the prefrontal cortex. This region, situated behind the forehead, handles planning, judgment, and the rational override of fear. <\/p>\n This provided six datasets, all in the same region, and all headed in the same direction.<\/p>\n What this looks like on the scan is not overly dramatic. The spectroscopy returns a curve with peaks at different frequencies. <\/p>\n Meanwhile, the choline peak rises a little lower in the patient group than in controls.<\/p>\n When that is repeated across hundreds of patients, the difference holds and remains. <\/p>\n The technique is sensitive enough to catch a chemistry change in cortical tissue that conventional brain imaging would miss completely.<\/p>\n Three differing disorders<\/p>\n The reduction did not depend on which anxiety diagnosis a patient had. People with generalized anxiety disorder, panic disorder, and social anxiety disorder all showed the same dip in the data. <\/p>\n Each of the patients showed a pattern going in the same direction, in the same region, with roughly the same magnitude.<\/p>\n That cross-cutting consistency is the part Maddock did not expect. His earlier research<\/a> had already turned up abnormal brain chemistry in patients with panic disorder.<\/p>\n Until this meta-analysis, no one had clearly demonstrated the pattern across all three of the most common anxiety conditions. <\/p>\n That cross-disorder consistency is new, and it is the first time it\u2019s been established in the literature.<\/p>\n A theory of why<\/p>\n Maddock and Smucny think the dip might track back to chronically elevated arousal. <\/p>\n Anxiety keeps the brain\u2019s alerting system running at a higher pitch than normal. That constant activity may increase demand for choline faster than the brain can replenish it.<\/p>\n Demand goes up and supply, presumably, does not keep up the same pace. <\/p>\n Whether anxiety depletes choline through metabolic burn or simply outstrips what diet and internal production can deliver, the team cannot say from imaging alone.<\/p>\n The source of choline<\/p>\n Choline is an essential nutrient. The body makes some of it, but most has to come from food. <\/p>\n Eggs are the densest common source, especially the yolk. It is also contained in beef liver, salmon, chicken, soybeans, and milk.<\/p>\n Federal guidance<\/a> puts the daily amount at 550 milligrams for men and 425 milligrams for most women. Surveys suggest about nine in ten American adults fall short of those targets.<\/p>\n Be wary of supplements<\/p>\n It is important to note that the review does not prove that low choline causes anxiety. It does not prove that choline pills relieve it, either. Large doses can carry side effects.<\/p>\n Anxiety needs evaluation and treatment from clinicians. The contours of diet, however, may be worth a conversation. <\/p>\n Someone with an anxiety disorder who is already short on choline at the dinner table has at least one variable worth checking.<\/p>\n Choline, anxiety, and treatment<\/p>\n Anxiety<\/a> now has a brain chemistry marker that the field can depend on. Lower cortical choline is present in all three disorder types. <\/p>\n This data can further sharpen future studies, research that is anchored in the prefrontal cortex. This reality was not established a year ago.<\/p>\n There are practical questions to follow that must be answered. For example, brain scans may eventually be able to confirm an anxiety diagnosis or distinguish it from related conditions.<\/p>\n There is also room for nutrition counseling to pays attention to choline, especially for deficient patients. <\/p>\n And eventually, a targeted trial of dietary support in unmedicated patients could finally test the causal direction.<\/p>\n None of those answers exist yet. The chemistry, however, does, and has better language for future treatment options.<\/p>\n The study is published in Molecular Psychiatry<\/a>.<\/p>\n \u2014\u2013<\/p>\n Like what you read? Subscribe to our newsletter<\/a> for engaging articles, exclusive content, and the latest updates.<\/p>\n Check us out on EarthSnap<\/a>, a free app brought to you by Eric Ralls<\/a> and Earth.com.<\/p>\n \u2014\u2013<\/p>\n","protected":false},"excerpt":{"rendered":"Most people assume anxiety is a neurotransmitter problem \u2013 a result of too little serotonin, or not enough…\n","protected":false},"author":2,"featured_media":445372,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[163,85,46,522,523],"class_list":["post-445371","post","type-post","status-publish","format-standard","has-post-thumbnail","category-mental-health","tag-health","tag-il","tag-israel","tag-mental-health","tag-mentalhealth"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/posts\/445371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/comments?post=445371"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/posts\/445371\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/media\/445372"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/media?parent=445371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/categories?post=445371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/tags?post=445371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}