{"id":142,"date":"2007-03-12T10:19:21","date_gmt":"2007-03-12T09:19:21","guid":{"rendered":"http:\/\/resource.bmj.com\/bmj\/2007\/03\/12\/jama-7-mar-2007-vol-297\/"},"modified":"2007-03-12T10:19:21","modified_gmt":"2007-03-12T09:19:21","slug":"jama-7-mar-2007-vol-297","status":"publish","type":"post","link":"https:\/\/stg-blogs.bmj.com\/bmj\/2007\/03\/12\/jama-7-mar-2007-vol-297\/","title":{"rendered":"JAMA  7 Mar 2007  Vol 297"},"content":{"rendered":"<p>Here\u2019s a fascinating study of<a href=\"http:\/\/jama.ama-assn.org\/cgi\/content\/abstract\/297\/9\/953\"> computed tomography screening and lung cancer outcomes<\/a>, drawn from three US centres and one Italian which screened over 3,000 former smokers and followed them up for nearly 4 years. Three times more cancers were detected than expected, but the lung cancer mortality was exactly as expected. Although the methodology of the study is open to criticism (see<a href=\"http:\/\/jama.ama-assn.org\/cgi\/content\/extract\/297\/9\/995\"> editorial<\/a>), this reinforces strong doubts about the utility of CT lung screening in any group.<!--more--><\/p>\n<p>The message of this trial is very clear from its Figure 2: if you are a <a href=\"http:\/\/jama.ama-assn.org\/cgi\/content\/abstract\/297\/9\/9\">premenopausal woman who wants to lose weight<\/a>, you will do twice as well following the Atkins diet as you will by following the Zone, Ornish or LEARN diets.  The same probably goes for the rest of us: for a slightly different one, based on delicious French dishes, see also Eat Yourself Slim, by Michel Montignac, given to me by a kind patient for whom it works a treat.<\/p>\n<p>Both Atkins and Montignac question the usual logic of <a href=\"http:\/\/jama.ama-assn.org\/cgi\/content\/abstract\/297\/9\/986\">calorie restriction<\/a>, and this is discussed in a review of the subject here which is particularly concerned with its effect on ageing and longevity. It reaches no particular conclusions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here\u2019s a fascinating study of computed tomography screening and lung cancer outcomes, drawn from three US centres and one Italian which screened over 3,000 former smokers and followed them up for nearly 4 years. Three times more cancers were detected than expected, but the lung cancer mortality was exactly as expected. Although the methodology of [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/stg-blogs.bmj.com\/bmj\/2007\/03\/12\/jama-7-mar-2007-vol-297\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":38363,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[111],"tags":[],"class_list":["post-142","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-richard-lehmans-weekly-review-of-medical-journals"],"jetpack_featured_media_url":"https:\/\/stg-blogs.bmj.com\/bmj\/files\/2017\/02\/richard-lehman.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/stg-blogs.bmj.com\/bmj\/wp-json\/wp\/v2\/posts\/142","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stg-blogs.bmj.com\/bmj\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stg-blogs.bmj.com\/bmj\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stg-blogs.bmj.com\/bmj\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/stg-blogs.bmj.com\/bmj\/wp-json\/wp\/v2\/comments?post=142"}],"version-history":[{"count":0,"href":"https:\/\/stg-blogs.bmj.com\/bmj\/wp-json\/wp\/v2\/posts\/142\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stg-blogs.bmj.com\/bmj\/wp-json\/wp\/v2\/media\/38363"}],"wp:attachment":[{"href":"https:\/\/stg-blogs.bmj.com\/bmj\/wp-json\/wp\/v2\/media?parent=142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stg-blogs.bmj.com\/bmj\/wp-json\/wp\/v2\/categories?post=142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stg-blogs.bmj.com\/bmj\/wp-json\/wp\/v2\/tags?post=142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}