{"id":28190,"date":"2018-01-08T11:22:41","date_gmt":"2018-01-08T15:22:41","guid":{"rendered":"http:\/\/www.fondriest.com\/news\/?p=28190"},"modified":"2022-01-14T11:30:28","modified_gmt":"2022-01-14T15:30:28","slug":"trace-amounts-lithium-water-slowing-alzheimers-disease-deaths","status":"publish","type":"post","link":"https:\/\/www.fondriest.com\/news\/trace-amounts-lithium-water-slowing-alzheimers-disease-deaths.htm","title":{"rendered":"Trace Amounts of Lithium in Water Could Be Slowing Alzheimer\u2019s Disease Deaths"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Sometimes one line of inquiry in science opens up interesting solutions in another area, as<\/span><a href=\"https:\/\/content.iospress.com\/articles\/journal-of-alzheimers-disease\/jad170744\"> <span style=\"font-weight: 400;\">recent research<\/span><\/a><span style=\"font-weight: 400;\"> from a Brock University, Canada team illustrates. There, postdoctoral fellow Val Andrew Fajardo was keen to explore the health effects of lithium in water based on his background in physiology.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cMy interest in lithium stemmed from its ability to inhibit a protein called glycogen synthase kinase 3 (GSK3),\u201d explains Fajardo. \u201cBy training, I am a skeletal muscle physiologist, and studies have shown that in skeletal muscles GSK3 can be targeted to oppose obesity and diabetes. As I read more about lithium and its role in inhibiting GSK3, I stumbled across several ecological studies showing these negative relationships between trace levels of lithium in tap water and rates of suicide, crime, and homicide across several different regions. Given lithium\u2019s well-known role as a mood stabilizer, these associations were not entirely surprising, but it had me questioning whether trace levels of lithium in tap water would also negatively associate with the prevalence of obesity and diabetes.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">His next step was to team up with another expert\u2014someone who could complement his own experience and background.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cAlong with these effects, lithium is also known to have neuroprotective effects that can be used against Alzheimer\u2019s disease,\u201d clarifies Fajardo. \u201cSo it was extremely convenient and advantageous to team up with Dr. Rebecca MacPherson, who not only studies Alzheimer\u2019s disease but also focuses on its relation to obesity and diabetes.\u201d<\/span><\/p>\n<h3><span style=\"font-weight: 400; color: #808080;\">Lithium in Texas drinking water<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Assistant Professor of Health Sciences, Rebecca MacPherson, is also at Brock University. Along with several others, the two took on this research. The team gathered statistics from 234 counties all over the state of Texas on lithium levels in drinking water.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cThe simple truth as to why we picked Texas is because the data were readily available,\u201d Fajardo comments. \u201cThese lithium concentrations can be found online from the Texas Water Development Board Groundwater Database:<\/span><a href=\"http:\/\/www.twdb.texas.gov\/groundwater\/data\/gwdbrpt.asp\"> <span style=\"font-weight: 400;\">Water database<\/span><\/a><span style=\"font-weight: 400;\">. The data pertaining to the prevalence of obesity, diabetes, and Alzheimer\u2019s disease mortality are also readily available online.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Lithium, an alkali metal which is water-soluble, is found in mineral springs and igneous rocks. It is often used to treat mood disorders, but that kind of treatment demands much higher doses than the trace amounts that occur naturally in drinking water.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The team compared naturally-occurring lithium levels in tap water with the incidence of diabetes and obesity, and mortality rates from Alzheimer&#8217;s disease, in Texas counties. They found that counties with traces amounts of lithium above the median level\u201440 micrograms per liter\u2014experienced less frequent incidence of Type 2 diabetes and obesity, and fewer deaths from Alzheimer&#8217;s disease over time.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cCorrelating lithium concentrations in tap water with health outcomes has been done well before our study with implications for mental health and even cardiovascular health,\u201d Fajardo points out. \u201cThere are reports from the 1970s demonstrating a negative association between trace lithium and deaths due to<\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/5824181\"> <span style=\"font-weight: 400;\">cardiovascular disease<\/span><\/a><span style=\"font-weight: 400;\"> across<\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/5458944\"> <span style=\"font-weight: 400;\">several large U.S. Cities<\/span><\/a><span style=\"font-weight: 400;\">.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This is, however, the first study to demonstrate that lithium may have a protective effect against Alzheimer&#8217;s disease, diabetes, and obesity via trace amounts in tap water throughout a population.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This research was published soon after<\/span><a href=\"https:\/\/www.reuters.com\/article\/us-health-lithium-dementia\/lithium-in-drinking-water-may-affect-alzheimers-risk-idUSKCN1B323F\"> <span style=\"font-weight: 400;\">a study<\/span><\/a><span style=\"font-weight: 400;\"> from the University of Copenhagen that connects high levels of lithium in drinking water and drops in dementia rates.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cThe Copenhagen study was published while our study was already under review,\u201d explains Fajardo. \u201cWe think that it\u2019s great that we are reporting similar ideas with trace levels of lithium providing neuroprotective effects across two different regions, as it does provide generalizability to these findings.\u201d<\/span><\/p>\n<div id=\"attachment_28193\" style=\"width: 630px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-28193\" class=\"size-large wp-image-28193\" src=\"https:\/\/www.fondriest.com\/news\/wp-content\/uploads\/2018\/01\/Lithium_map-1024x673.png\" alt=\"Lithium\" width=\"620\" height=\"407\" \/><p id=\"caption-attachment-28193\" class=\"wp-caption-text\"><span style=\"color: #808080;\">Lithium in Drinking Water map. More information on the aquifers shown in this graphic <a href=\"https:\/\/www.usgs.gov\/media\/images\/regional-assessments-principal-aquifers\">here<\/a> (Credit: USGS)\u00a0<\/span><\/p><\/div>\n<h3><span style=\"font-weight: 400; color: #808080;\">Next steps and more questions<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">One question to ponder is how commonly lithium is found in drinking water in the US, and at what levels; in other words, are the levels seen in Texas unusual?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cLithium is commonly found in drinking water,\u201d Fajardo states. \u201cHowever, the concentrations do vary from region to region, which allowed us and other researchers to perform our correlational studies using naturally found variations of lithium.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">According to maps of lithium concentrations produced by the USGS, the amounts found in Texas are unusually high compared with the rest of the nation.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Most compounds\u2014even the fluoride that is in tap water throughout the US\u2014can be unsafe if they occur at levels that are too high. As far as this team knows, lithium does not ever occur in water at levels that are too high to be safe for human consumption.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cI can only comment on the data I\u2019ve seen from our study and previously published studies,\u201d cautions Fajardo. \u201cFrom what I have seen, the levels of lithium found in drinking water are well below (hundreds-thousands) the typical dose (900-1200 mg per day) used to treat bipolar disorder.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Does this mean that someday soon we&#8217;ll be getting a little pick-me-up in the form of lithium from our taps? Not so fast, warns Fajardo.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cI wouldn\u2019t say that lithium could be used as an additive for the population at large\u2014there is so much more that needs to be done,\u201d Fajardo clarifies. \u201cOur study is ecological in design and depicts correlations at best; so future studies need to assess cause-and-effect with larger scale intervention trials. I think what is unique about our study is that it adds further evidence towards trace dose lithium having protective effects against Alzheimer\u2019s disease and that it may also be working through improvements in metabolic function.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The question of whether there are any subgroups of people for whom these normally beneficial levels of lithium could be counterproductive or dangerous is a research question for the future.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cThis is a good question and something that should be looked into with future studies\u2014again with a particular focus on trace doses of lithium,\u201d Fajardo emphasizes. \u201cThis also adds justification as to why it is important to determine the molecular pathways that are affected by lithium as it can be used to tease out why there may potentially be some pharmacogenomic differences, for example non-responders.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cThere is so much more work that needs to be done. The one thing that our study and [the Copenhagen] study did do is open up more questions.\u201d<\/span><\/p>\n<p><em><span style=\"color: #808080;\">Top image: Fajardo and MacPherson in the lab. (Credit: Brock University)<\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>New research suggests trace amounts of lithium in tap water may reduce rates of Type 2 diabetes and obesity, and deaths from Alzheimer\u2019s disease.<\/p>\n","protected":false},"author":31,"featured_media":28198,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,8,9],"tags":[103,109,538,73],"class_list":["post-28190","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-newsfeed","category-science_library-htm","tag-news-2","tag-news-ticker","tag-science-library","tag-usgs"],"remote_post_permalink":false,"remote_post_featured_image":false,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Trace Amounts of Lithium in Water Could Be Slowing Alzheimer\u2019s Disease 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