{"id":68031120,"date":"2007-02-27T09:32:00","date_gmt":"2007-02-27T09:32:00","guid":{"rendered":"https:\/\/wp.baltimorespokes.org\/?p=68031120"},"modified":"2007-02-27T09:32:00","modified_gmt":"2007-02-27T09:32:00","slug":"long-term-recreational-physical-activity-and-risk-of-invasive-and-in-situ-breast-cancer","status":"publish","type":"post","link":"https:\/\/wp.baltimorespokes.org\/?p=68031120","title":{"rendered":"Long-term Recreational Physical Activity and Risk of Invasive and In Situ Breast Cancer"},"content":{"rendered":"<p>The California Teachers Study<br \/>\n&#8230;<br \/>\nResults:  Invasive breast cancer risk was inversely associated with long-term strenuous activity (&gt;5 vs 0.5 h\/wk per year: relative risk, 0.80; 95% confidence interval, 0.69-0.94; P trend = .02), as was in situ breast cancer risk (&gt;5 vs 0.5 h\/wk per year: relative risk, 0.69; 95% confidence interval, 0.48-0.98; P trend = .04). Strenuous and moderate long-term activities were associated with reduced risk of ER-negative (strenuous: P trend = .003; moderate: P trend = .003) but not ER-positive (strenuous: P trend = .23; moderate: P trend = .53) invasive breast cancer.<br \/>\nConclusion:  These results support a protective role of strenuous long-term exercise activity against invasive and in situ breast cancer and suggest differing effects by hormone receptor status.<br \/>\n<!--more--><br \/>\n<a href=\"https:\/\/archinte.ama-assn.org\/cgi\/content\/abstract\/167\/4\/408\">https:\/\/archinte.ama-assn.org\/cgi\/content\/abstract\/167\/4\/408<\/a>oldId.20070227093200931<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The California Teachers Study &#8230; Results: Invasive breast cancer risk was inversely associated with long-term strenuous activity (&gt;5 vs 0.5 h\/wk per year: relative risk, 0.80; 95% confidence interval, 0.69-0.94; P trend = .02), as was in situ breast cancer risk (&gt;5 vs 0.5 h\/wk per year: relative risk, 0.69; 95% confidence interval, 0.48-0.98; P &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/wp.baltimorespokes.org\/?p=68031120\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Long-term Recreational Physical Activity and Risk of Invasive and In Situ Breast Cancer&#8221;<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"1","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-68031120","post","type-post","status-publish","format-standard","hentry","category-biking-elsewhere"],"_links":{"self":[{"href":"https:\/\/wp.baltimorespokes.org\/index.php?rest_route=\/wp\/v2\/posts\/68031120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.baltimorespokes.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.baltimorespokes.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.baltimorespokes.org\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.baltimorespokes.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=68031120"}],"version-history":[{"count":0,"href":"https:\/\/wp.baltimorespokes.org\/index.php?rest_route=\/wp\/v2\/posts\/68031120\/revisions"}],"wp:attachment":[{"href":"https:\/\/wp.baltimorespokes.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=68031120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.baltimorespokes.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=68031120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.baltimorespokes.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=68031120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}