{"id":23028,"date":"2025-02-28T17:03:31","date_gmt":"2025-02-28T18:03:31","guid":{"rendered":"https:\/\/medexperts.pro\/?p=23028"},"modified":"2025-02-28T18:24:09","modified_gmt":"2025-02-28T18:24:09","slug":"tea-leaves-can-steep-away-lead-study-finds","status":"publish","type":"post","link":"https:\/\/medexperts.pro\/?p=23028","title":{"rendered":"Tea Leaves Can Steep Away Lead, Study Finds"},"content":{"rendered":"<div><\/div>\n<p id=\"article-summary\" class=\"css-79rysd e1wiw3jv0\">Researchers found that compounds in black and green tea leaves acted like \u201clittle Velcro\u201d hooks on lead molecules.<\/p>\n<section class=\"meteredContent css-1r7ky0e\">\n<div class=\"css-s99gbd StoryBodyCompanionColumn\" data-testid=\"companionColumn-0\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">Tea leaves pull heavy metals from water, significantly lowering the amount of lead and other dangerous compounds that people may be unknowingly drinking, a new study found.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">Recent research <a class=\"css-yywogo\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S096085242101751X\" title rel=\"noopener noreferrer\" target=\"_blank\">has highlighted potential applications<\/a> for used tea leaves, from <a class=\"css-yywogo\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0960148124019098\" title rel=\"noopener noreferrer\" target=\"_blank\">biofuels<\/a> to <a class=\"css-yywogo\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10094581\/\" title rel=\"noopener noreferrer\" target=\"_blank\">gluten-free cookies<\/a>. But the new study shows a public health benefit from something that countless people are already doing. About five billion cups of tea are consumed each day around the world, according to <a class=\"css-yywogo\" href=\"https:\/\/www.tea.co.uk\/news\/article\/tea-loved-by-brits-and-5-billion-cups-of-tea-are-drunk-globally-each-day\" title rel=\"noopener noreferrer\" target=\"_blank\">one estimate<\/a>.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">\u201cYou can see the implications,\u201d said Vinayak Dravid, a materials scientist at Northwestern and an author of the study, <a class=\"css-yywogo\" href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acsfoodscitech.4c01030\" title rel=\"noopener noreferrer\" target=\"_blank\">which was published this week<\/a>. \u201cHow often do we touch billions of people?\u201d<\/p>\n<p class=\"css-at9mc1 evys1bk0\">In many countries, the water used to steep tea is contaminated with lead from aging pipes. In the United States, nine million homes get their water through pipes that contain lead, according to the <a class=\"css-yywogo\" href=\"https:\/\/www.epa.gov\/newsreleases\/biden-harris-administration-issues-final-rule-requiring-replacement-lead-pipes-within\" title rel=\"noopener noreferrer\" target=\"_blank\">Environmental Protection Agency<\/a>. Lead is especially dangerous to children. Exposure can lead to <a class=\"css-yywogo\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9150353\/#:~:text=on%20children%20exposed%20to%20lead,%CE%BCg%2FdL%20%5B27%5D.\" title rel=\"noopener noreferrer\" target=\"_blank\">developmental delays<\/a> and <a class=\"css-yywogo\" href=\"https:\/\/www.nih.gov\/news-events\/news-releases\/lead-kids-blood-linked-behavioral-emotional-problems\" title rel=\"noopener noreferrer\" target=\"_blank\">behavioral issues<\/a>.<\/p>\n<\/div>\n<\/div>\n<div data-testid=\"Dropzone-1\"><\/div>\n<div class=\"css-s99gbd StoryBodyCompanionColumn\" data-testid=\"companionColumn-1\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">Dr. Dravid and his team tested how different types of tea \u2014 black, white, oolong, green, rooibos, herbal, loose leaf and plain old Lipton \u2014 behaved in water with varying amounts of lead.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">The tea was then allowed to steep for variable periods of time. Afterward, the scientists measured how much lead remained in the water.<\/p>\n<div class=\"css-1336jj\">\n<div class=\"css-121kum4\">\n<div class=\"css-171quhb\"><\/div>\n<div class=\"css-asuuk5\">\n<div class=\"css-7axq9l\" data-testid=\"optimistic-truncator-noscript\">\n<div data-testid=\"optimistic-truncator-noscript-message\" class=\"css-6yo1no\">\n<p class=\"css-3kpklk\">We are having trouble retrieving the article content.<\/p>\n<p class=\"css-3kpklk\">Please enable JavaScript in your browser settings.<\/p>\n<\/div>\n<\/div>\n<div class=\"css-1dv1kvn\" id=\"optimistic-truncator-a11y\">\n<hr \/>\n<p>Thank you for your patience while we verify access. If you are in Reader mode please exit and\u00a0<a href=\"https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&amp;client_id=vi&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2025%2F02%2F28%2Fscience%2Ftea-leaves-lead.html&amp;asset=opttrunc\">log into<\/a>\u00a0your Times account, or\u00a0<a href=\"https:\/\/www.nytimes.com\/subscription?campaignId=89WYR&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2025%2F02%2F28%2Fscience%2Ftea-leaves-lead.html\">subscribe<\/a>\u00a0for all of The Times.<\/p>\n<hr \/>\n<\/div>\n<div class=\"css-1g71tqy\">\n<div data-testid=\"optimistic-truncator-message\" class=\"css-6yo1no\">\n<p class=\"css-3kpklk\">Thank you for your patience while we verify access.<\/p>\n<p class=\"css-3kpklk\">Already a subscriber?\u00a0<a data-testid=\"log-in-link\" class=\"css-z5ryv4\" href=\"https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&amp;client_id=vi&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2025%2F02%2F28%2Fscience%2Ftea-leaves-lead.html&amp;asset=opttrunc\">Log in<\/a>.<\/p>\n<p class=\"css-3kpklk\">Want all of The Times?\u00a0<a data-testid=\"subscribe-link\" class=\"css-z5ryv4\" href=\"https:\/\/www.nytimes.com\/subscription?campaignId=89WYR&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2025%2F02%2F28%2Fscience%2Ftea-leaves-lead.html\">Subscribe<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Researchers found that compounds in black and green tea leaves acted like \u201clittle Velcro\u201d hooks on lead molecules.Tea leaves pull heavy metals from water, significantly lowering the amount of lead and other dangerous compounds that people may be unknowingly drinking, a new study found.Recent research has highlighted potential applications for used tea leaves, from biofuels to gluten-free cookies. But the new study shows a public health benefit from something that countless people are already doing. About five billion cups of tea are consumed each day around the world, according to one estimate.\u201cYou can see the implications,\u201d said Vinayak Dravid, a materials scientist at Northwestern and an author of the study, which was published this week. \u201cHow often do we touch billions of people?\u201dIn many countries, the water used to steep tea is contaminated with lead from aging pipes. In the United States, nine million homes get their water through pipes that contain lead, according to the Environmental Protection Agency. Lead is especially dangerous to children. Exposure can lead to developmental delays and behavioral issues.Dr. Dravid and his team tested how different types of tea \u2014 black, white, oolong, green, rooibos, herbal, loose leaf and plain old Lipton \u2014 behaved in water with varying amounts of lead.The tea was then allowed to steep for variable periods of time. Afterward, the scientists measured how much lead remained in the water.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and\u00a0log into\u00a0your Times account, or\u00a0subscribe\u00a0for all of The Times.Thank you for your patience while we verify access.Already a subscriber?\u00a0Log in.Want all of The Times?\u00a0Subscribe.<\/p>\n","protected":false},"author":1,"featured_media":23030,"comment_status":"close","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-23028","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lifestyle"],"_links":{"self":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/23028","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=23028"}],"version-history":[{"count":2,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/23028\/revisions"}],"predecessor-version":[{"id":23031,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/23028\/revisions\/23031"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/media\/23030"}],"wp:attachment":[{"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=23028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23028"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}