{"id":102736,"date":"2020-06-03T13:38:51","date_gmt":"2020-06-03T17:38:51","guid":{"rendered":"https:\/\/junkscience.com\/?p=102736"},"modified":"2020-06-03T13:38:51","modified_gmt":"2020-06-03T17:38:51","slug":"do-pfas-cause-early-menopause","status":"publish","type":"post","link":"https:\/\/junkscience.com\/2020\/06\/do-pfas-cause-early-menopause\/","title":{"rendered":"Do PFAS cause early menopause?"},"content":{"rendered":"<p>A new study claims that women with high PFAS levels in their blood samples reached menopause two years earlier than those with lower levels. Credible?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/junkscience.com\/wp-content\/uploads\/2020\/06\/33075660575_f5edc56bb9_o-728x485.jpg\" alt=\"\" width=\"660\" height=\"440\" class=\"aligncenter size-large wp-image-102737\" \/><\/p>\n<p><!--more--><\/p>\n<p><a href=\"https:\/\/junkscience.com\/wp-content\/uploads\/2020\/06\/PFAS-Menopause.pdf\">Here<\/a> is the study. It&#8217;s yet more weak association epidemiology with all the familiar flaws &#8212; noise-level associations for a vague yet common health endpoint, earlier than average menopause. So no need to go further into that. <\/p>\n<p>Even so, let&#8217;s take the results at face value. Note this chart in the study:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/junkscience.com\/wp-content\/uploads\/2020\/06\/Screen-Shot-2020-06-03-at-1.28.52-PM-728x347.png\" alt=\"\" width=\"660\" height=\"315\" class=\"aligncenter size-large wp-image-102739\" srcset=\"https:\/\/junkscience.com\/wp-content\/uploads\/2020\/06\/Screen-Shot-2020-06-03-at-1.28.52-PM-728x347.png 728w, https:\/\/junkscience.com\/wp-content\/uploads\/2020\/06\/Screen-Shot-2020-06-03-at-1.28.52-PM-300x143.png 300w, https:\/\/junkscience.com\/wp-content\/uploads\/2020\/06\/Screen-Shot-2020-06-03-at-1.28.52-PM-768x367.png 768w, https:\/\/junkscience.com\/wp-content\/uploads\/2020\/06\/Screen-Shot-2020-06-03-at-1.28.52-PM-1536x733.png 1536w, https:\/\/junkscience.com\/wp-content\/uploads\/2020\/06\/Screen-Shot-2020-06-03-at-1.28.52-PM-2048x977.png 2048w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/p>\n<p>Notice that the associations are statistically non-significant (i.e., hazard ratio confidence intervals include the zero-effect level) for black and Asian women &#8212; of which there were more study subjects than white women.<\/p>\n<p>If PFAS affected menopause, why would it do so only in white women?<\/p>\n<p>The question is not explained by the study authors.<\/p>\n<p>No answer. No biological plausibility. Just junk science.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new study claims that women with high PFAS levels in their blood samples reached menopause two years earlier than those with lower levels. Credible?<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Do PFAS cause early menopause?","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[12],"tags":[],"class_list":["post-102736","post","type-post","status-publish","format-standard","hentry","category-chemicals"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6SqJi-qJ2","_links":{"self":[{"href":"https:\/\/junkscience.com\/wp-json\/wp\/v2\/posts\/102736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/junkscience.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/junkscience.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/junkscience.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/junkscience.com\/wp-json\/wp\/v2\/comments?post=102736"}],"version-history":[{"count":2,"href":"https:\/\/junkscience.com\/wp-json\/wp\/v2\/posts\/102736\/revisions"}],"predecessor-version":[{"id":102741,"href":"https:\/\/junkscience.com\/wp-json\/wp\/v2\/posts\/102736\/revisions\/102741"}],"wp:attachment":[{"href":"https:\/\/junkscience.com\/wp-json\/wp\/v2\/media?parent=102736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/junkscience.com\/wp-json\/wp\/v2\/categories?post=102736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/junkscience.com\/wp-json\/wp\/v2\/tags?post=102736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}