{"id":126429,"date":"2026-09-27T13:15:49","date_gmt":"2026-09-27T07:45:49","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=126429"},"modified":"2026-09-27T16:34:58","modified_gmt":"2026-09-27T11:04:58","slug":"pfos","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/pfos\/","title":{"rendered":"PFOS"},"content":{"rendered":"<h2><b>PFOS Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">PFOS, a widespread industrial \u2018forever chemical\u2019, weakens the body\u2019s ability to fight viral infections, a study has found recently. <\/span><\/p>\n<h2><b>About PFOS<\/b><\/h2>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">PFOS (<\/span><b>Perfluorooctane Sulfonate or Perfluorooctane Sulfonic Acid)<\/b><span style=\"font-weight: 400;\"> is a <\/span><b>synthetic chemical <\/b><span style=\"font-weight: 400;\">used to <\/span><b>make products resistant to stains, grease, soil, and water.<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It is an <\/span><b>organic perfluorinated compound,<\/b><span style=\"font-weight: 400;\"> consisting of an eight-carbon backbone and a sulfonate functional group.\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It is <\/span><b>part of <\/b><span style=\"font-weight: 400;\">a class of chemicals called <\/span><b>per- and polyfluoroalkyl substances (PFASs).<\/b>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">PFAS, also known as the<\/span><b><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/what-are-forever-chemicals\/\" target=\"_blank\"> Forever Chemicals<\/a>, <\/b><span style=\"font-weight: 400;\">are a large chemical family of over 10,000 <\/span><b>highly persistent chemicals<\/b><span style=\"font-weight: 400;\"> that don\u2019t occur in nature.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align: justify;\"><b>PFOS <\/b><span style=\"font-weight: 400;\">is <\/span><b>very stable in the environment<\/b><span style=\"font-weight: 400;\"> and <\/span><b>hard to break down.<\/b><span style=\"font-weight: 400;\"> PFOS also<\/span><b> moves easily through groundwater.\u00a0<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">PFOS is of particular concern because it can <\/span><b>accumulate up the food chain in aquatic systems<\/b><span style=\"font-weight: 400;\"> and can lead to high concentrations in predatory fish consumed by anglers.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It can cause <\/span><b>serious health effects,<\/b><span style=\"font-weight: 400;\"> including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes.\u00a0\u00a0\u00a0\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><b>When and how has PFOS been used?<\/b>\n<ul>\n<li style=\"text-align: justify;\"><b>Starting in the 1940s,<\/b><span style=\"font-weight: 400;\"> PFOS was <strong>us<\/strong><\/span><b>ed in many consumer and industrial products, <\/b><span style=\"font-weight: 400;\">including carpets, rugs, upholstered furniture, non-stick cookware, and leather products.\u00a0\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">PFOS has also been present in some <\/span><b>firefighting foams <\/b><span style=\"font-weight: 400;\">used at airports,<\/span> <span style=\"font-weight: 400;\">firefighter training facilities, and military airfields.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">PFOS is <\/span><b>listed under the Stockholm Convention on <a href=\"https:\/\/vajiramandravi.com\/current-affairs\/persistent-organic-pollutants\/\" target=\"_blank\">Persistent Organic Pollutants<\/a> (POPs), <\/b><span style=\"font-weight: 400;\">subject to international restrictions and exemptions. <\/span><\/li>\n<\/ul>\n<p><b>News: <\/b><a href=\"https:\/\/epaper.thehindu.com\/ccidist-ws\/th\/th_delhi\/issues\/206247\/OPS\/G86GJ85VC.1+G8OGJ9T0R.1.html\" target=\"_blank\" rel=\"nofollow noopener\"><b>TH<\/b><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PFOS (Perfluorooctane Sulfonate) is a synthetic chemical used to make products resistant to stains, grease, soil and water. Read more about PFOS, Latest News PFOS, Health Effects, Use, Latest News<\/p>\n","protected":false},"author":23,"featured_media":126490,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[10520,21,22,23],"class_list":["post-126429","post","type-post","status-publish","format-standard","has-post-thumbnail","category-upsc-prelims-current-affairs","tag-pfos","tag-prelims-pointers","tag-upsc-current-affairs","tag-upsc-prelims-current-affairs","no-featured-image-padding"],"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/126429","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=126429"}],"version-history":[{"count":4,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/126429\/revisions"}],"predecessor-version":[{"id":126491,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/126429\/revisions\/126491"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/126490"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=126429"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=126429"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=126429"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}